Alright, let's solve this math problem step by step. First, we have the number 687. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 492. So, we're going to take the number 687 and add it to itself 492 times.
Step 1: 0 + 687 = 687
Step 2: 687 + 687 = 1374
Step 3: 1374 + 687 = 2061
Step 4: 2061 + 687 = 2748
Step 5: 2748 + 687 = 3435
Step 6: 3435 + 687 = 4122
Step 7: 4122 + 687 = 4809
Step 8: 4809 + 687 = 5496
Step 9: 5496 + 687 = 6183
Step 10: 6183 + 687 = 6870
Step 11: 6870 + 687 = 7557
Step 12: 7557 + 687 = 8244
Step 13: 8244 + 687 = 8931
Step 14: 8931 + 687 = 9618
Step 15: 9618 + 687 = 10305
Step 16: 10305 + 687 = 10992
Step 17: 10992 + 687 = 11679
Step 18: 11679 + 687 = 12366
Step 19: 12366 + 687 = 13053
Step 20: 13053 + 687 = 13740
Step 21: 13740 + 687 = 14427
Step 22: 14427 + 687 = 15114
Step 23: 15114 + 687 = 15801
Step 24: 15801 + 687 = 16488
Step 25: 16488 + 687 = 17175
Step 26: 17175 + 687 = 17862
Step 27: 17862 + 687 = 18549
Step 28: 18549 + 687 = 19236
Step 29: 19236 + 687 = 19923
Step 30: 19923 + 687 = 20610
Step 31: 20610 + 687 = 21297
Step 32: 21297 + 687 = 21984
Step 33: 21984 + 687 = 22671
Step 34: 22671 + 687 = 23358
Step 35: 23358 + 687 = 24045
Step 36: 24045 + 687 = 24732
Step 37: 24732 + 687 = 25419
Step 38: 25419 + 687 = 26106
Step 39: 26106 + 687 = 26793
Step 40: 26793 + 687 = 27480
Step 41: 27480 + 687 = 28167
Step 42: 28167 + 687 = 28854
Step 43: 28854 + 687 = 29541
Step 44: 29541 + 687 = 30228
Step 45: 30228 + 687 = 30915
Step 46: 30915 + 687 = 31602
Step 47: 31602 + 687 = 32289
Step 48: 32289 + 687 = 32976
Step 49: 32976 + 687 = 33663
Step 50: 33663 + 687 = 34350
Step 51: 34350 + 687 = 35037
Step 52: 35037 + 687 = 35724
Step 53: 35724 + 687 = 36411
Step 54: 36411 + 687 = 37098
Step 55: 37098 + 687 = 37785
Step 56: 37785 + 687 = 38472
Step 57: 38472 + 687 = 39159
Step 58: 39159 + 687 = 39846
Step 59: 39846 + 687 = 40533
Step 60: 40533 + 687 = 41220
Step 61: 41220 + 687 = 41907
Step 62: 41907 + 687 = 42594
Step 63: 42594 + 687 = 43281
Step 64: 43281 + 687 = 43968
Step 65: 43968 + 687 = 44655
Step 66: 44655 + 687 = 45342
Step 67: 45342 + 687 = 46029
Step 68: 46029 + 687 = 46716
Step 69: 46716 + 687 = 47403
Step 70: 47403 + 687 = 48090
Step 71: 48090 + 687 = 48777
Step 72: 48777 + 687 = 49464
Step 73: 49464 + 687 = 50151
Step 74: 50151 + 687 = 50838
Step 75: 50838 + 687 = 51525
Step 76: 51525 + 687 = 52212
Step 77: 52212 + 687 = 52899
Step 78: 52899 + 687 = 53586
Step 79: 53586 + 687 = 54273
Step 80: 54273 + 687 = 54960
Step 81: 54960 + 687 = 55647
Step 82: 55647 + 687 = 56334
Step 83: 56334 + 687 = 57021
Step 84: 57021 + 687 = 57708
Step 85: 57708 + 687 = 58395
Step 86: 58395 + 687 = 59082
Step 87: 59082 + 687 = 59769
Step 88: 59769 + 687 = 60456
Step 89: 60456 + 687 = 61143
Step 90: 61143 + 687 = 61830
Step 91: 61830 + 687 = 62517
Step 92: 62517 + 687 = 63204
Step 93: 63204 + 687 = 63891
Step 94: 63891 + 687 = 64578
Step 95: 64578 + 687 = 65265
Step 96: 65265 + 687 = 65952
Step 97: 65952 + 687 = 66639
Step 98: 66639 + 687 = 67326
Step 99: 67326 + 687 = 68013
Step 100: 68013 + 687 = 68700
Step 101: 68700 + 687 = 69387
Step 102: 69387 + 687 = 70074
Step 103: 70074 + 687 = 70761
Step 104: 70761 + 687 = 71448
Step 105: 71448 + 687 = 72135
Step 106: 72135 + 687 = 72822
Step 107: 72822 + 687 = 73509
Step 108: 73509 + 687 = 74196
Step 109: 74196 + 687 = 74883
Step 110: 74883 + 687 = 75570
Step 111: 75570 + 687 = 76257
Step 112: 76257 + 687 = 76944
Step 113: 76944 + 687 = 77631
Step 114: 77631 + 687 = 78318
Step 115: 78318 + 687 = 79005
Step 116: 79005 + 687 = 79692
Step 117: 79692 + 687 = 80379
Step 118: 80379 + 687 = 81066
Step 119: 81066 + 687 = 81753
Step 120: 81753 + 687 = 82440
Step 121: 82440 + 687 = 83127
Step 122: 83127 + 687 = 83814
Step 123: 83814 + 687 = 84501
Step 124: 84501 + 687 = 85188
Step 125: 85188 + 687 = 85875
Step 126: 85875 + 687 = 86562
Step 127: 86562 + 687 = 87249
Step 128: 87249 + 687 = 87936
Step 129: 87936 + 687 = 88623
Step 130: 88623 + 687 = 89310
Step 131: 89310 + 687 = 89997
Step 132: 89997 + 687 = 90684
Step 133: 90684 + 687 = 91371
Step 134: 91371 + 687 = 92058
Step 135: 92058 + 687 = 92745
Step 136: 92745 + 687 = 93432
Step 137: 93432 + 687 = 94119
Step 138: 94119 + 687 = 94806
Step 139: 94806 + 687 = 95493
Step 140: 95493 + 687 = 96180
Step 141: 96180 + 687 = 96867
Step 142: 96867 + 687 = 97554
Step 143: 97554 + 687 = 98241
Step 144: 98241 + 687 = 98928
Step 145: 98928 + 687 = 99615
Step 146: 99615 + 687 = 100302
Step 147: 100302 + 687 = 100989
Step 148: 100989 + 687 = 101676
Step 149: 101676 + 687 = 102363
Step 150: 102363 + 687 = 103050
Step 151: 103050 + 687 = 103737
Step 152: 103737 + 687 = 104424
Step 153: 104424 + 687 = 105111
Step 154: 105111 + 687 = 105798
Step 155: 105798 + 687 = 106485
Step 156: 106485 + 687 = 107172
Step 157: 107172 + 687 = 107859
Step 158: 107859 + 687 = 108546
Step 159: 108546 + 687 = 109233
Step 160: 109233 + 687 = 109920
Step 161: 109920 + 687 = 110607
Step 162: 110607 + 687 = 111294
Step 163: 111294 + 687 = 111981
Step 164: 111981 + 687 = 112668
Step 165: 112668 + 687 = 113355
Step 166: 113355 + 687 = 114042
Step 167: 114042 + 687 = 114729
Step 168: 114729 + 687 = 115416
Step 169: 115416 + 687 = 116103
Step 170: 116103 + 687 = 116790
Step 171: 116790 + 687 = 117477
Step 172: 117477 + 687 = 118164
Step 173: 118164 + 687 = 118851
Step 174: 118851 + 687 = 119538
Step 175: 119538 + 687 = 120225
Step 176: 120225 + 687 = 120912
Step 177: 120912 + 687 = 121599
Step 178: 121599 + 687 = 122286
Step 179: 122286 + 687 = 122973
Step 180: 122973 + 687 = 123660
Step 181: 123660 + 687 = 124347
Step 182: 124347 + 687 = 125034
Step 183: 125034 + 687 = 125721
Step 184: 125721 + 687 = 126408
Step 185: 126408 + 687 = 127095
Step 186: 127095 + 687 = 127782
Step 187: 127782 + 687 = 128469
Step 188: 128469 + 687 = 129156
Step 189: 129156 + 687 = 129843
Step 190: 129843 + 687 = 130530
Step 191: 130530 + 687 = 131217
Step 192: 131217 + 687 = 131904
Step 193: 131904 + 687 = 132591
Step 194: 132591 + 687 = 133278
Step 195: 133278 + 687 = 133965
Step 196: 133965 + 687 = 134652
Step 197: 134652 + 687 = 135339
Step 198: 135339 + 687 = 136026
Step 199: 136026 + 687 = 136713
Step 200: 136713 + 687 = 137400
Step 201: 137400 + 687 = 138087
Step 202: 138087 + 687 = 138774
Step 203: 138774 + 687 = 139461
Step 204: 139461 + 687 = 140148
Step 205: 140148 + 687 = 140835
Step 206: 140835 + 687 = 141522
Step 207: 141522 + 687 = 142209
Step 208: 142209 + 687 = 142896
Step 209: 142896 + 687 = 143583
Step 210: 143583 + 687 = 144270
Step 211: 144270 + 687 = 144957
Step 212: 144957 + 687 = 145644
Step 213: 145644 + 687 = 146331
Step 214: 146331 + 687 = 147018
Step 215: 147018 + 687 = 147705
Step 216: 147705 + 687 = 148392
Step 217: 148392 + 687 = 149079
Step 218: 149079 + 687 = 149766
Step 219: 149766 + 687 = 150453
Step 220: 150453 + 687 = 151140
Step 221: 151140 + 687 = 151827
Step 222: 151827 + 687 = 152514
Step 223: 152514 + 687 = 153201
Step 224: 153201 + 687 = 153888
Step 225: 153888 + 687 = 154575
Step 226: 154575 + 687 = 155262
Step 227: 155262 + 687 = 155949
Step 228: 155949 + 687 = 156636
Step 229: 156636 + 687 = 157323
Step 230: 157323 + 687 = 158010
Step 231: 158010 + 687 = 158697
Step 232: 158697 + 687 = 159384
Step 233: 159384 + 687 = 160071
Step 234: 160071 + 687 = 160758
Step 235: 160758 + 687 = 161445
Step 236: 161445 + 687 = 162132
Step 237: 162132 + 687 = 162819
Step 238: 162819 + 687 = 163506
Step 239: 163506 + 687 = 164193
Step 240: 164193 + 687 = 164880
Step 241: 164880 + 687 = 165567
Step 242: 165567 + 687 = 166254
Step 243: 166254 + 687 = 166941
Step 244: 166941 + 687 = 167628
Step 245: 167628 + 687 = 168315
Step 246: 168315 + 687 = 169002
Step 247: 169002 + 687 = 169689
Step 248: 169689 + 687 = 170376
Step 249: 170376 + 687 = 171063
Step 250: 171063 + 687 = 171750
Step 251: 171750 + 687 = 172437
Step 252: 172437 + 687 = 173124
Step 253: 173124 + 687 = 173811
Step 254: 173811 + 687 = 174498
Step 255: 174498 + 687 = 175185
Step 256: 175185 + 687 = 175872
Step 257: 175872 + 687 = 176559
Step 258: 176559 + 687 = 177246
Step 259: 177246 + 687 = 177933
Step 260: 177933 + 687 = 178620
Step 261: 178620 + 687 = 179307
Step 262: 179307 + 687 = 179994
Step 263: 179994 + 687 = 180681
Step 264: 180681 + 687 = 181368
Step 265: 181368 + 687 = 182055
Step 266: 182055 + 687 = 182742
Step 267: 182742 + 687 = 183429
Step 268: 183429 + 687 = 184116
Step 269: 184116 + 687 = 184803
Step 270: 184803 + 687 = 185490
Step 271: 185490 + 687 = 186177
Step 272: 186177 + 687 = 186864
Step 273: 186864 + 687 = 187551
Step 274: 187551 + 687 = 188238
Step 275: 188238 + 687 = 188925
Step 276: 188925 + 687 = 189612
Step 277: 189612 + 687 = 190299
Step 278: 190299 + 687 = 190986
Step 279: 190986 + 687 = 191673
Step 280: 191673 + 687 = 192360
Step 281: 192360 + 687 = 193047
Step 282: 193047 + 687 = 193734
Step 283: 193734 + 687 = 194421
Step 284: 194421 + 687 = 195108
Step 285: 195108 + 687 = 195795
Step 286: 195795 + 687 = 196482
Step 287: 196482 + 687 = 197169
Step 288: 197169 + 687 = 197856
Step 289: 197856 + 687 = 198543
Step 290: 198543 + 687 = 199230
Step 291: 199230 + 687 = 199917
Step 292: 199917 + 687 = 200604
Step 293: 200604 + 687 = 201291
Step 294: 201291 + 687 = 201978
Step 295: 201978 + 687 = 202665
Step 296: 202665 + 687 = 203352
Step 297: 203352 + 687 = 204039
Step 298: 204039 + 687 = 204726
Step 299: 204726 + 687 = 205413
Step 300: 205413 + 687 = 206100
Step 301: 206100 + 687 = 206787
Step 302: 206787 + 687 = 207474
Step 303: 207474 + 687 = 208161
Step 304: 208161 + 687 = 208848
Step 305: 208848 + 687 = 209535
Step 306: 209535 + 687 = 210222
Step 307: 210222 + 687 = 210909
Step 308: 210909 + 687 = 211596
Step 309: 211596 + 687 = 212283
Step 310: 212283 + 687 = 212970
Step 311: 212970 + 687 = 213657
Step 312: 213657 + 687 = 214344
Step 313: 214344 + 687 = 215031
Step 314: 215031 + 687 = 215718
Step 315: 215718 + 687 = 216405
Step 316: 216405 + 687 = 217092
Step 317: 217092 + 687 = 217779
Step 318: 217779 + 687 = 218466
Step 319: 218466 + 687 = 219153
Step 320: 219153 + 687 = 219840
Step 321: 219840 + 687 = 220527
Step 322: 220527 + 687 = 221214
Step 323: 221214 + 687 = 221901
Step 324: 221901 + 687 = 222588
Step 325: 222588 + 687 = 223275
Step 326: 223275 + 687 = 223962
Step 327: 223962 + 687 = 224649
Step 328: 224649 + 687 = 225336
Step 329: 225336 + 687 = 226023
Step 330: 226023 + 687 = 226710
Step 331: 226710 + 687 = 227397
Step 332: 227397 + 687 = 228084
Step 333: 228084 + 687 = 228771
Step 334: 228771 + 687 = 229458
Step 335: 229458 + 687 = 230145
Step 336: 230145 + 687 = 230832
Step 337: 230832 + 687 = 231519
Step 338: 231519 + 687 = 232206
Step 339: 232206 + 687 = 232893
Step 340: 232893 + 687 = 233580
Step 341: 233580 + 687 = 234267
Step 342: 234267 + 687 = 234954
Step 343: 234954 + 687 = 235641
Step 344: 235641 + 687 = 236328
Step 345: 236328 + 687 = 237015
Step 346: 237015 + 687 = 237702
Step 347: 237702 + 687 = 238389
Step 348: 238389 + 687 = 239076
Step 349: 239076 + 687 = 239763
Step 350: 239763 + 687 = 240450
Step 351: 240450 + 687 = 241137
Step 352: 241137 + 687 = 241824
Step 353: 241824 + 687 = 242511
Step 354: 242511 + 687 = 243198
Step 355: 243198 + 687 = 243885
Step 356: 243885 + 687 = 244572
Step 357: 244572 + 687 = 245259
Step 358: 245259 + 687 = 245946
Step 359: 245946 + 687 = 246633
Step 360: 246633 + 687 = 247320
Step 361: 247320 + 687 = 248007
Step 362: 248007 + 687 = 248694
Step 363: 248694 + 687 = 249381
Step 364: 249381 + 687 = 250068
Step 365: 250068 + 687 = 250755
Step 366: 250755 + 687 = 251442
Step 367: 251442 + 687 = 252129
Step 368: 252129 + 687 = 252816
Step 369: 252816 + 687 = 253503
Step 370: 253503 + 687 = 254190
Step 371: 254190 + 687 = 254877
Step 372: 254877 + 687 = 255564
Step 373: 255564 + 687 = 256251
Step 374: 256251 + 687 = 256938
Step 375: 256938 + 687 = 257625
Step 376: 257625 + 687 = 258312
Step 377: 258312 + 687 = 258999
Step 378: 258999 + 687 = 259686
Step 379: 259686 + 687 = 260373
Step 380: 260373 + 687 = 261060
Step 381: 261060 + 687 = 261747
Step 382: 261747 + 687 = 262434
Step 383: 262434 + 687 = 263121
Step 384: 263121 + 687 = 263808
Step 385: 263808 + 687 = 264495
Step 386: 264495 + 687 = 265182
Step 387: 265182 + 687 = 265869
Step 388: 265869 + 687 = 266556
Step 389: 266556 + 687 = 267243
Step 390: 267243 + 687 = 267930
Step 391: 267930 + 687 = 268617
Step 392: 268617 + 687 = 269304
Step 393: 269304 + 687 = 269991
Step 394: 269991 + 687 = 270678
Step 395: 270678 + 687 = 271365
Step 396: 271365 + 687 = 272052
Step 397: 272052 + 687 = 272739
Step 398: 272739 + 687 = 273426
Step 399: 273426 + 687 = 274113
Step 400: 274113 + 687 = 274800
Step 401: 274800 + 687 = 275487
Step 402: 275487 + 687 = 276174
Step 403: 276174 + 687 = 276861
Step 404: 276861 + 687 = 277548
Step 405: 277548 + 687 = 278235
Step 406: 278235 + 687 = 278922
Step 407: 278922 + 687 = 279609
Step 408: 279609 + 687 = 280296
Step 409: 280296 + 687 = 280983
Step 410: 280983 + 687 = 281670
Step 411: 281670 + 687 = 282357
Step 412: 282357 + 687 = 283044
Step 413: 283044 + 687 = 283731
Step 414: 283731 + 687 = 284418
Step 415: 284418 + 687 = 285105
Step 416: 285105 + 687 = 285792
Step 417: 285792 + 687 = 286479
Step 418: 286479 + 687 = 287166
Step 419: 287166 + 687 = 287853
Step 420: 287853 + 687 = 288540
Step 421: 288540 + 687 = 289227
Step 422: 289227 + 687 = 289914
Step 423: 289914 + 687 = 290601
Step 424: 290601 + 687 = 291288
Step 425: 291288 + 687 = 291975
Step 426: 291975 + 687 = 292662
Step 427: 292662 + 687 = 293349
Step 428: 293349 + 687 = 294036
Step 429: 294036 + 687 = 294723
Step 430: 294723 + 687 = 295410
Step 431: 295410 + 687 = 296097
Step 432: 296097 + 687 = 296784
Step 433: 296784 + 687 = 297471
Step 434: 297471 + 687 = 298158
Step 435: 298158 + 687 = 298845
Step 436: 298845 + 687 = 299532
Step 437: 299532 + 687 = 300219
Step 438: 300219 + 687 = 300906
Step 439: 300906 + 687 = 301593
Step 440: 301593 + 687 = 302280
Step 441: 302280 + 687 = 302967
Step 442: 302967 + 687 = 303654
Step 443: 303654 + 687 = 304341
Step 444: 304341 + 687 = 305028
Step 445: 305028 + 687 = 305715
Step 446: 305715 + 687 = 306402
Step 447: 306402 + 687 = 307089
Step 448: 307089 + 687 = 307776
Step 449: 307776 + 687 = 308463
Step 450: 308463 + 687 = 309150
Step 451: 309150 + 687 = 309837
Step 452: 309837 + 687 = 310524
Step 453: 310524 + 687 = 311211
Step 454: 311211 + 687 = 311898
Step 455: 311898 + 687 = 312585
Step 456: 312585 + 687 = 313272
Step 457: 313272 + 687 = 313959
Step 458: 313959 + 687 = 314646
Step 459: 314646 + 687 = 315333
Step 460: 315333 + 687 = 316020
Step 461: 316020 + 687 = 316707
Step 462: 316707 + 687 = 317394
Step 463: 317394 + 687 = 318081
Step 464: 318081 + 687 = 318768
Step 465: 318768 + 687 = 319455
Step 466: 319455 + 687 = 320142
Step 467: 320142 + 687 = 320829
Step 468: 320829 + 687 = 321516
Step 469: 321516 + 687 = 322203
Step 470: 322203 + 687 = 322890
Step 471: 322890 + 687 = 323577
Step 472: 323577 + 687 = 324264
Step 473: 324264 + 687 = 324951
Step 474: 324951 + 687 = 325638
Step 475: 325638 + 687 = 326325
Step 476: 326325 + 687 = 327012
Step 477: 327012 + 687 = 327699
Step 478: 327699 + 687 = 328386
Step 479: 328386 + 687 = 329073
Step 480: 329073 + 687 = 329760
Step 481: 329760 + 687 = 330447
Step 482: 330447 + 687 = 331134
Step 483: 331134 + 687 = 331821
Step 484: 331821 + 687 = 332508
Step 485: 332508 + 687 = 333195
Step 486: 333195 + 687 = 333882
Step 487: 333882 + 687 = 334569
Step 488: 334569 + 687 = 335256
Step 489: 335256 + 687 = 335943
Step 490: 335943 + 687 = 336630
Step 491: 336630 + 687 = 337317
Step 492: 337317 + 687 = 338004

So, 687*492 = 338004