Alright, let's solve this math problem step by step. First, we have the number 987. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 394. So, we're going to take the number 987 and add it to itself 394 times.
Step 1: 0 + 987 = 987
Step 2: 987 + 987 = 1974
Step 3: 1974 + 987 = 2961
Step 4: 2961 + 987 = 3948
Step 5: 3948 + 987 = 4935
Step 6: 4935 + 987 = 5922
Step 7: 5922 + 987 = 6909
Step 8: 6909 + 987 = 7896
Step 9: 7896 + 987 = 8883
Step 10: 8883 + 987 = 9870
Step 11: 9870 + 987 = 10857
Step 12: 10857 + 987 = 11844
Step 13: 11844 + 987 = 12831
Step 14: 12831 + 987 = 13818
Step 15: 13818 + 987 = 14805
Step 16: 14805 + 987 = 15792
Step 17: 15792 + 987 = 16779
Step 18: 16779 + 987 = 17766
Step 19: 17766 + 987 = 18753
Step 20: 18753 + 987 = 19740
Step 21: 19740 + 987 = 20727
Step 22: 20727 + 987 = 21714
Step 23: 21714 + 987 = 22701
Step 24: 22701 + 987 = 23688
Step 25: 23688 + 987 = 24675
Step 26: 24675 + 987 = 25662
Step 27: 25662 + 987 = 26649
Step 28: 26649 + 987 = 27636
Step 29: 27636 + 987 = 28623
Step 30: 28623 + 987 = 29610
Step 31: 29610 + 987 = 30597
Step 32: 30597 + 987 = 31584
Step 33: 31584 + 987 = 32571
Step 34: 32571 + 987 = 33558
Step 35: 33558 + 987 = 34545
Step 36: 34545 + 987 = 35532
Step 37: 35532 + 987 = 36519
Step 38: 36519 + 987 = 37506
Step 39: 37506 + 987 = 38493
Step 40: 38493 + 987 = 39480
Step 41: 39480 + 987 = 40467
Step 42: 40467 + 987 = 41454
Step 43: 41454 + 987 = 42441
Step 44: 42441 + 987 = 43428
Step 45: 43428 + 987 = 44415
Step 46: 44415 + 987 = 45402
Step 47: 45402 + 987 = 46389
Step 48: 46389 + 987 = 47376
Step 49: 47376 + 987 = 48363
Step 50: 48363 + 987 = 49350
Step 51: 49350 + 987 = 50337
Step 52: 50337 + 987 = 51324
Step 53: 51324 + 987 = 52311
Step 54: 52311 + 987 = 53298
Step 55: 53298 + 987 = 54285
Step 56: 54285 + 987 = 55272
Step 57: 55272 + 987 = 56259
Step 58: 56259 + 987 = 57246
Step 59: 57246 + 987 = 58233
Step 60: 58233 + 987 = 59220
Step 61: 59220 + 987 = 60207
Step 62: 60207 + 987 = 61194
Step 63: 61194 + 987 = 62181
Step 64: 62181 + 987 = 63168
Step 65: 63168 + 987 = 64155
Step 66: 64155 + 987 = 65142
Step 67: 65142 + 987 = 66129
Step 68: 66129 + 987 = 67116
Step 69: 67116 + 987 = 68103
Step 70: 68103 + 987 = 69090
Step 71: 69090 + 987 = 70077
Step 72: 70077 + 987 = 71064
Step 73: 71064 + 987 = 72051
Step 74: 72051 + 987 = 73038
Step 75: 73038 + 987 = 74025
Step 76: 74025 + 987 = 75012
Step 77: 75012 + 987 = 75999
Step 78: 75999 + 987 = 76986
Step 79: 76986 + 987 = 77973
Step 80: 77973 + 987 = 78960
Step 81: 78960 + 987 = 79947
Step 82: 79947 + 987 = 80934
Step 83: 80934 + 987 = 81921
Step 84: 81921 + 987 = 82908
Step 85: 82908 + 987 = 83895
Step 86: 83895 + 987 = 84882
Step 87: 84882 + 987 = 85869
Step 88: 85869 + 987 = 86856
Step 89: 86856 + 987 = 87843
Step 90: 87843 + 987 = 88830
Step 91: 88830 + 987 = 89817
Step 92: 89817 + 987 = 90804
Step 93: 90804 + 987 = 91791
Step 94: 91791 + 987 = 92778
Step 95: 92778 + 987 = 93765
Step 96: 93765 + 987 = 94752
Step 97: 94752 + 987 = 95739
Step 98: 95739 + 987 = 96726
Step 99: 96726 + 987 = 97713
Step 100: 97713 + 987 = 98700
Step 101: 98700 + 987 = 99687
Step 102: 99687 + 987 = 100674
Step 103: 100674 + 987 = 101661
Step 104: 101661 + 987 = 102648
Step 105: 102648 + 987 = 103635
Step 106: 103635 + 987 = 104622
Step 107: 104622 + 987 = 105609
Step 108: 105609 + 987 = 106596
Step 109: 106596 + 987 = 107583
Step 110: 107583 + 987 = 108570
Step 111: 108570 + 987 = 109557
Step 112: 109557 + 987 = 110544
Step 113: 110544 + 987 = 111531
Step 114: 111531 + 987 = 112518
Step 115: 112518 + 987 = 113505
Step 116: 113505 + 987 = 114492
Step 117: 114492 + 987 = 115479
Step 118: 115479 + 987 = 116466
Step 119: 116466 + 987 = 117453
Step 120: 117453 + 987 = 118440
Step 121: 118440 + 987 = 119427
Step 122: 119427 + 987 = 120414
Step 123: 120414 + 987 = 121401
Step 124: 121401 + 987 = 122388
Step 125: 122388 + 987 = 123375
Step 126: 123375 + 987 = 124362
Step 127: 124362 + 987 = 125349
Step 128: 125349 + 987 = 126336
Step 129: 126336 + 987 = 127323
Step 130: 127323 + 987 = 128310
Step 131: 128310 + 987 = 129297
Step 132: 129297 + 987 = 130284
Step 133: 130284 + 987 = 131271
Step 134: 131271 + 987 = 132258
Step 135: 132258 + 987 = 133245
Step 136: 133245 + 987 = 134232
Step 137: 134232 + 987 = 135219
Step 138: 135219 + 987 = 136206
Step 139: 136206 + 987 = 137193
Step 140: 137193 + 987 = 138180
Step 141: 138180 + 987 = 139167
Step 142: 139167 + 987 = 140154
Step 143: 140154 + 987 = 141141
Step 144: 141141 + 987 = 142128
Step 145: 142128 + 987 = 143115
Step 146: 143115 + 987 = 144102
Step 147: 144102 + 987 = 145089
Step 148: 145089 + 987 = 146076
Step 149: 146076 + 987 = 147063
Step 150: 147063 + 987 = 148050
Step 151: 148050 + 987 = 149037
Step 152: 149037 + 987 = 150024
Step 153: 150024 + 987 = 151011
Step 154: 151011 + 987 = 151998
Step 155: 151998 + 987 = 152985
Step 156: 152985 + 987 = 153972
Step 157: 153972 + 987 = 154959
Step 158: 154959 + 987 = 155946
Step 159: 155946 + 987 = 156933
Step 160: 156933 + 987 = 157920
Step 161: 157920 + 987 = 158907
Step 162: 158907 + 987 = 159894
Step 163: 159894 + 987 = 160881
Step 164: 160881 + 987 = 161868
Step 165: 161868 + 987 = 162855
Step 166: 162855 + 987 = 163842
Step 167: 163842 + 987 = 164829
Step 168: 164829 + 987 = 165816
Step 169: 165816 + 987 = 166803
Step 170: 166803 + 987 = 167790
Step 171: 167790 + 987 = 168777
Step 172: 168777 + 987 = 169764
Step 173: 169764 + 987 = 170751
Step 174: 170751 + 987 = 171738
Step 175: 171738 + 987 = 172725
Step 176: 172725 + 987 = 173712
Step 177: 173712 + 987 = 174699
Step 178: 174699 + 987 = 175686
Step 179: 175686 + 987 = 176673
Step 180: 176673 + 987 = 177660
Step 181: 177660 + 987 = 178647
Step 182: 178647 + 987 = 179634
Step 183: 179634 + 987 = 180621
Step 184: 180621 + 987 = 181608
Step 185: 181608 + 987 = 182595
Step 186: 182595 + 987 = 183582
Step 187: 183582 + 987 = 184569
Step 188: 184569 + 987 = 185556
Step 189: 185556 + 987 = 186543
Step 190: 186543 + 987 = 187530
Step 191: 187530 + 987 = 188517
Step 192: 188517 + 987 = 189504
Step 193: 189504 + 987 = 190491
Step 194: 190491 + 987 = 191478
Step 195: 191478 + 987 = 192465
Step 196: 192465 + 987 = 193452
Step 197: 193452 + 987 = 194439
Step 198: 194439 + 987 = 195426
Step 199: 195426 + 987 = 196413
Step 200: 196413 + 987 = 197400
Step 201: 197400 + 987 = 198387
Step 202: 198387 + 987 = 199374
Step 203: 199374 + 987 = 200361
Step 204: 200361 + 987 = 201348
Step 205: 201348 + 987 = 202335
Step 206: 202335 + 987 = 203322
Step 207: 203322 + 987 = 204309
Step 208: 204309 + 987 = 205296
Step 209: 205296 + 987 = 206283
Step 210: 206283 + 987 = 207270
Step 211: 207270 + 987 = 208257
Step 212: 208257 + 987 = 209244
Step 213: 209244 + 987 = 210231
Step 214: 210231 + 987 = 211218
Step 215: 211218 + 987 = 212205
Step 216: 212205 + 987 = 213192
Step 217: 213192 + 987 = 214179
Step 218: 214179 + 987 = 215166
Step 219: 215166 + 987 = 216153
Step 220: 216153 + 987 = 217140
Step 221: 217140 + 987 = 218127
Step 222: 218127 + 987 = 219114
Step 223: 219114 + 987 = 220101
Step 224: 220101 + 987 = 221088
Step 225: 221088 + 987 = 222075
Step 226: 222075 + 987 = 223062
Step 227: 223062 + 987 = 224049
Step 228: 224049 + 987 = 225036
Step 229: 225036 + 987 = 226023
Step 230: 226023 + 987 = 227010
Step 231: 227010 + 987 = 227997
Step 232: 227997 + 987 = 228984
Step 233: 228984 + 987 = 229971
Step 234: 229971 + 987 = 230958
Step 235: 230958 + 987 = 231945
Step 236: 231945 + 987 = 232932
Step 237: 232932 + 987 = 233919
Step 238: 233919 + 987 = 234906
Step 239: 234906 + 987 = 235893
Step 240: 235893 + 987 = 236880
Step 241: 236880 + 987 = 237867
Step 242: 237867 + 987 = 238854
Step 243: 238854 + 987 = 239841
Step 244: 239841 + 987 = 240828
Step 245: 240828 + 987 = 241815
Step 246: 241815 + 987 = 242802
Step 247: 242802 + 987 = 243789
Step 248: 243789 + 987 = 244776
Step 249: 244776 + 987 = 245763
Step 250: 245763 + 987 = 246750
Step 251: 246750 + 987 = 247737
Step 252: 247737 + 987 = 248724
Step 253: 248724 + 987 = 249711
Step 254: 249711 + 987 = 250698
Step 255: 250698 + 987 = 251685
Step 256: 251685 + 987 = 252672
Step 257: 252672 + 987 = 253659
Step 258: 253659 + 987 = 254646
Step 259: 254646 + 987 = 255633
Step 260: 255633 + 987 = 256620
Step 261: 256620 + 987 = 257607
Step 262: 257607 + 987 = 258594
Step 263: 258594 + 987 = 259581
Step 264: 259581 + 987 = 260568
Step 265: 260568 + 987 = 261555
Step 266: 261555 + 987 = 262542
Step 267: 262542 + 987 = 263529
Step 268: 263529 + 987 = 264516
Step 269: 264516 + 987 = 265503
Step 270: 265503 + 987 = 266490
Step 271: 266490 + 987 = 267477
Step 272: 267477 + 987 = 268464
Step 273: 268464 + 987 = 269451
Step 274: 269451 + 987 = 270438
Step 275: 270438 + 987 = 271425
Step 276: 271425 + 987 = 272412
Step 277: 272412 + 987 = 273399
Step 278: 273399 + 987 = 274386
Step 279: 274386 + 987 = 275373
Step 280: 275373 + 987 = 276360
Step 281: 276360 + 987 = 277347
Step 282: 277347 + 987 = 278334
Step 283: 278334 + 987 = 279321
Step 284: 279321 + 987 = 280308
Step 285: 280308 + 987 = 281295
Step 286: 281295 + 987 = 282282
Step 287: 282282 + 987 = 283269
Step 288: 283269 + 987 = 284256
Step 289: 284256 + 987 = 285243
Step 290: 285243 + 987 = 286230
Step 291: 286230 + 987 = 287217
Step 292: 287217 + 987 = 288204
Step 293: 288204 + 987 = 289191
Step 294: 289191 + 987 = 290178
Step 295: 290178 + 987 = 291165
Step 296: 291165 + 987 = 292152
Step 297: 292152 + 987 = 293139
Step 298: 293139 + 987 = 294126
Step 299: 294126 + 987 = 295113
Step 300: 295113 + 987 = 296100
Step 301: 296100 + 987 = 297087
Step 302: 297087 + 987 = 298074
Step 303: 298074 + 987 = 299061
Step 304: 299061 + 987 = 300048
Step 305: 300048 + 987 = 301035
Step 306: 301035 + 987 = 302022
Step 307: 302022 + 987 = 303009
Step 308: 303009 + 987 = 303996
Step 309: 303996 + 987 = 304983
Step 310: 304983 + 987 = 305970
Step 311: 305970 + 987 = 306957
Step 312: 306957 + 987 = 307944
Step 313: 307944 + 987 = 308931
Step 314: 308931 + 987 = 309918
Step 315: 309918 + 987 = 310905
Step 316: 310905 + 987 = 311892
Step 317: 311892 + 987 = 312879
Step 318: 312879 + 987 = 313866
Step 319: 313866 + 987 = 314853
Step 320: 314853 + 987 = 315840
Step 321: 315840 + 987 = 316827
Step 322: 316827 + 987 = 317814
Step 323: 317814 + 987 = 318801
Step 324: 318801 + 987 = 319788
Step 325: 319788 + 987 = 320775
Step 326: 320775 + 987 = 321762
Step 327: 321762 + 987 = 322749
Step 328: 322749 + 987 = 323736
Step 329: 323736 + 987 = 324723
Step 330: 324723 + 987 = 325710
Step 331: 325710 + 987 = 326697
Step 332: 326697 + 987 = 327684
Step 333: 327684 + 987 = 328671
Step 334: 328671 + 987 = 329658
Step 335: 329658 + 987 = 330645
Step 336: 330645 + 987 = 331632
Step 337: 331632 + 987 = 332619
Step 338: 332619 + 987 = 333606
Step 339: 333606 + 987 = 334593
Step 340: 334593 + 987 = 335580
Step 341: 335580 + 987 = 336567
Step 342: 336567 + 987 = 337554
Step 343: 337554 + 987 = 338541
Step 344: 338541 + 987 = 339528
Step 345: 339528 + 987 = 340515
Step 346: 340515 + 987 = 341502
Step 347: 341502 + 987 = 342489
Step 348: 342489 + 987 = 343476
Step 349: 343476 + 987 = 344463
Step 350: 344463 + 987 = 345450
Step 351: 345450 + 987 = 346437
Step 352: 346437 + 987 = 347424
Step 353: 347424 + 987 = 348411
Step 354: 348411 + 987 = 349398
Step 355: 349398 + 987 = 350385
Step 356: 350385 + 987 = 351372
Step 357: 351372 + 987 = 352359
Step 358: 352359 + 987 = 353346
Step 359: 353346 + 987 = 354333
Step 360: 354333 + 987 = 355320
Step 361: 355320 + 987 = 356307
Step 362: 356307 + 987 = 357294
Step 363: 357294 + 987 = 358281
Step 364: 358281 + 987 = 359268
Step 365: 359268 + 987 = 360255
Step 366: 360255 + 987 = 361242
Step 367: 361242 + 987 = 362229
Step 368: 362229 + 987 = 363216
Step 369: 363216 + 987 = 364203
Step 370: 364203 + 987 = 365190
Step 371: 365190 + 987 = 366177
Step 372: 366177 + 987 = 367164
Step 373: 367164 + 987 = 368151
Step 374: 368151 + 987 = 369138
Step 375: 369138 + 987 = 370125
Step 376: 370125 + 987 = 371112
Step 377: 371112 + 987 = 372099
Step 378: 372099 + 987 = 373086
Step 379: 373086 + 987 = 374073
Step 380: 374073 + 987 = 375060
Step 381: 375060 + 987 = 376047
Step 382: 376047 + 987 = 377034
Step 383: 377034 + 987 = 378021
Step 384: 378021 + 987 = 379008
Step 385: 379008 + 987 = 379995
Step 386: 379995 + 987 = 380982
Step 387: 380982 + 987 = 381969
Step 388: 381969 + 987 = 382956
Step 389: 382956 + 987 = 383943
Step 390: 383943 + 987 = 384930
Step 391: 384930 + 987 = 385917
Step 392: 385917 + 987 = 386904
Step 393: 386904 + 987 = 387891
Step 394: 387891 + 987 = 388878

So, 987*394 = 388878