Alright, let's solve this math problem step by step. First, we have the number 723. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 387. So, we're going to take the number 723 and add it to itself 387 times.
Step 1: 0 + 723 = 723
Step 2: 723 + 723 = 1446
Step 3: 1446 + 723 = 2169
Step 4: 2169 + 723 = 2892
Step 5: 2892 + 723 = 3615
Step 6: 3615 + 723 = 4338
Step 7: 4338 + 723 = 5061
Step 8: 5061 + 723 = 5784
Step 9: 5784 + 723 = 6507
Step 10: 6507 + 723 = 7230
Step 11: 7230 + 723 = 7953
Step 12: 7953 + 723 = 8676
Step 13: 8676 + 723 = 9399
Step 14: 9399 + 723 = 10122
Step 15: 10122 + 723 = 10845
Step 16: 10845 + 723 = 11568
Step 17: 11568 + 723 = 12291
Step 18: 12291 + 723 = 13014
Step 19: 13014 + 723 = 13737
Step 20: 13737 + 723 = 14460
Step 21: 14460 + 723 = 15183
Step 22: 15183 + 723 = 15906
Step 23: 15906 + 723 = 16629
Step 24: 16629 + 723 = 17352
Step 25: 17352 + 723 = 18075
Step 26: 18075 + 723 = 18798
Step 27: 18798 + 723 = 19521
Step 28: 19521 + 723 = 20244
Step 29: 20244 + 723 = 20967
Step 30: 20967 + 723 = 21690
Step 31: 21690 + 723 = 22413
Step 32: 22413 + 723 = 23136
Step 33: 23136 + 723 = 23859
Step 34: 23859 + 723 = 24582
Step 35: 24582 + 723 = 25305
Step 36: 25305 + 723 = 26028
Step 37: 26028 + 723 = 26751
Step 38: 26751 + 723 = 27474
Step 39: 27474 + 723 = 28197
Step 40: 28197 + 723 = 28920
Step 41: 28920 + 723 = 29643
Step 42: 29643 + 723 = 30366
Step 43: 30366 + 723 = 31089
Step 44: 31089 + 723 = 31812
Step 45: 31812 + 723 = 32535
Step 46: 32535 + 723 = 33258
Step 47: 33258 + 723 = 33981
Step 48: 33981 + 723 = 34704
Step 49: 34704 + 723 = 35427
Step 50: 35427 + 723 = 36150
Step 51: 36150 + 723 = 36873
Step 52: 36873 + 723 = 37596
Step 53: 37596 + 723 = 38319
Step 54: 38319 + 723 = 39042
Step 55: 39042 + 723 = 39765
Step 56: 39765 + 723 = 40488
Step 57: 40488 + 723 = 41211
Step 58: 41211 + 723 = 41934
Step 59: 41934 + 723 = 42657
Step 60: 42657 + 723 = 43380
Step 61: 43380 + 723 = 44103
Step 62: 44103 + 723 = 44826
Step 63: 44826 + 723 = 45549
Step 64: 45549 + 723 = 46272
Step 65: 46272 + 723 = 46995
Step 66: 46995 + 723 = 47718
Step 67: 47718 + 723 = 48441
Step 68: 48441 + 723 = 49164
Step 69: 49164 + 723 = 49887
Step 70: 49887 + 723 = 50610
Step 71: 50610 + 723 = 51333
Step 72: 51333 + 723 = 52056
Step 73: 52056 + 723 = 52779
Step 74: 52779 + 723 = 53502
Step 75: 53502 + 723 = 54225
Step 76: 54225 + 723 = 54948
Step 77: 54948 + 723 = 55671
Step 78: 55671 + 723 = 56394
Step 79: 56394 + 723 = 57117
Step 80: 57117 + 723 = 57840
Step 81: 57840 + 723 = 58563
Step 82: 58563 + 723 = 59286
Step 83: 59286 + 723 = 60009
Step 84: 60009 + 723 = 60732
Step 85: 60732 + 723 = 61455
Step 86: 61455 + 723 = 62178
Step 87: 62178 + 723 = 62901
Step 88: 62901 + 723 = 63624
Step 89: 63624 + 723 = 64347
Step 90: 64347 + 723 = 65070
Step 91: 65070 + 723 = 65793
Step 92: 65793 + 723 = 66516
Step 93: 66516 + 723 = 67239
Step 94: 67239 + 723 = 67962
Step 95: 67962 + 723 = 68685
Step 96: 68685 + 723 = 69408
Step 97: 69408 + 723 = 70131
Step 98: 70131 + 723 = 70854
Step 99: 70854 + 723 = 71577
Step 100: 71577 + 723 = 72300
Step 101: 72300 + 723 = 73023
Step 102: 73023 + 723 = 73746
Step 103: 73746 + 723 = 74469
Step 104: 74469 + 723 = 75192
Step 105: 75192 + 723 = 75915
Step 106: 75915 + 723 = 76638
Step 107: 76638 + 723 = 77361
Step 108: 77361 + 723 = 78084
Step 109: 78084 + 723 = 78807
Step 110: 78807 + 723 = 79530
Step 111: 79530 + 723 = 80253
Step 112: 80253 + 723 = 80976
Step 113: 80976 + 723 = 81699
Step 114: 81699 + 723 = 82422
Step 115: 82422 + 723 = 83145
Step 116: 83145 + 723 = 83868
Step 117: 83868 + 723 = 84591
Step 118: 84591 + 723 = 85314
Step 119: 85314 + 723 = 86037
Step 120: 86037 + 723 = 86760
Step 121: 86760 + 723 = 87483
Step 122: 87483 + 723 = 88206
Step 123: 88206 + 723 = 88929
Step 124: 88929 + 723 = 89652
Step 125: 89652 + 723 = 90375
Step 126: 90375 + 723 = 91098
Step 127: 91098 + 723 = 91821
Step 128: 91821 + 723 = 92544
Step 129: 92544 + 723 = 93267
Step 130: 93267 + 723 = 93990
Step 131: 93990 + 723 = 94713
Step 132: 94713 + 723 = 95436
Step 133: 95436 + 723 = 96159
Step 134: 96159 + 723 = 96882
Step 135: 96882 + 723 = 97605
Step 136: 97605 + 723 = 98328
Step 137: 98328 + 723 = 99051
Step 138: 99051 + 723 = 99774
Step 139: 99774 + 723 = 100497
Step 140: 100497 + 723 = 101220
Step 141: 101220 + 723 = 101943
Step 142: 101943 + 723 = 102666
Step 143: 102666 + 723 = 103389
Step 144: 103389 + 723 = 104112
Step 145: 104112 + 723 = 104835
Step 146: 104835 + 723 = 105558
Step 147: 105558 + 723 = 106281
Step 148: 106281 + 723 = 107004
Step 149: 107004 + 723 = 107727
Step 150: 107727 + 723 = 108450
Step 151: 108450 + 723 = 109173
Step 152: 109173 + 723 = 109896
Step 153: 109896 + 723 = 110619
Step 154: 110619 + 723 = 111342
Step 155: 111342 + 723 = 112065
Step 156: 112065 + 723 = 112788
Step 157: 112788 + 723 = 113511
Step 158: 113511 + 723 = 114234
Step 159: 114234 + 723 = 114957
Step 160: 114957 + 723 = 115680
Step 161: 115680 + 723 = 116403
Step 162: 116403 + 723 = 117126
Step 163: 117126 + 723 = 117849
Step 164: 117849 + 723 = 118572
Step 165: 118572 + 723 = 119295
Step 166: 119295 + 723 = 120018
Step 167: 120018 + 723 = 120741
Step 168: 120741 + 723 = 121464
Step 169: 121464 + 723 = 122187
Step 170: 122187 + 723 = 122910
Step 171: 122910 + 723 = 123633
Step 172: 123633 + 723 = 124356
Step 173: 124356 + 723 = 125079
Step 174: 125079 + 723 = 125802
Step 175: 125802 + 723 = 126525
Step 176: 126525 + 723 = 127248
Step 177: 127248 + 723 = 127971
Step 178: 127971 + 723 = 128694
Step 179: 128694 + 723 = 129417
Step 180: 129417 + 723 = 130140
Step 181: 130140 + 723 = 130863
Step 182: 130863 + 723 = 131586
Step 183: 131586 + 723 = 132309
Step 184: 132309 + 723 = 133032
Step 185: 133032 + 723 = 133755
Step 186: 133755 + 723 = 134478
Step 187: 134478 + 723 = 135201
Step 188: 135201 + 723 = 135924
Step 189: 135924 + 723 = 136647
Step 190: 136647 + 723 = 137370
Step 191: 137370 + 723 = 138093
Step 192: 138093 + 723 = 138816
Step 193: 138816 + 723 = 139539
Step 194: 139539 + 723 = 140262
Step 195: 140262 + 723 = 140985
Step 196: 140985 + 723 = 141708
Step 197: 141708 + 723 = 142431
Step 198: 142431 + 723 = 143154
Step 199: 143154 + 723 = 143877
Step 200: 143877 + 723 = 144600
Step 201: 144600 + 723 = 145323
Step 202: 145323 + 723 = 146046
Step 203: 146046 + 723 = 146769
Step 204: 146769 + 723 = 147492
Step 205: 147492 + 723 = 148215
Step 206: 148215 + 723 = 148938
Step 207: 148938 + 723 = 149661
Step 208: 149661 + 723 = 150384
Step 209: 150384 + 723 = 151107
Step 210: 151107 + 723 = 151830
Step 211: 151830 + 723 = 152553
Step 212: 152553 + 723 = 153276
Step 213: 153276 + 723 = 153999
Step 214: 153999 + 723 = 154722
Step 215: 154722 + 723 = 155445
Step 216: 155445 + 723 = 156168
Step 217: 156168 + 723 = 156891
Step 218: 156891 + 723 = 157614
Step 219: 157614 + 723 = 158337
Step 220: 158337 + 723 = 159060
Step 221: 159060 + 723 = 159783
Step 222: 159783 + 723 = 160506
Step 223: 160506 + 723 = 161229
Step 224: 161229 + 723 = 161952
Step 225: 161952 + 723 = 162675
Step 226: 162675 + 723 = 163398
Step 227: 163398 + 723 = 164121
Step 228: 164121 + 723 = 164844
Step 229: 164844 + 723 = 165567
Step 230: 165567 + 723 = 166290
Step 231: 166290 + 723 = 167013
Step 232: 167013 + 723 = 167736
Step 233: 167736 + 723 = 168459
Step 234: 168459 + 723 = 169182
Step 235: 169182 + 723 = 169905
Step 236: 169905 + 723 = 170628
Step 237: 170628 + 723 = 171351
Step 238: 171351 + 723 = 172074
Step 239: 172074 + 723 = 172797
Step 240: 172797 + 723 = 173520
Step 241: 173520 + 723 = 174243
Step 242: 174243 + 723 = 174966
Step 243: 174966 + 723 = 175689
Step 244: 175689 + 723 = 176412
Step 245: 176412 + 723 = 177135
Step 246: 177135 + 723 = 177858
Step 247: 177858 + 723 = 178581
Step 248: 178581 + 723 = 179304
Step 249: 179304 + 723 = 180027
Step 250: 180027 + 723 = 180750
Step 251: 180750 + 723 = 181473
Step 252: 181473 + 723 = 182196
Step 253: 182196 + 723 = 182919
Step 254: 182919 + 723 = 183642
Step 255: 183642 + 723 = 184365
Step 256: 184365 + 723 = 185088
Step 257: 185088 + 723 = 185811
Step 258: 185811 + 723 = 186534
Step 259: 186534 + 723 = 187257
Step 260: 187257 + 723 = 187980
Step 261: 187980 + 723 = 188703
Step 262: 188703 + 723 = 189426
Step 263: 189426 + 723 = 190149
Step 264: 190149 + 723 = 190872
Step 265: 190872 + 723 = 191595
Step 266: 191595 + 723 = 192318
Step 267: 192318 + 723 = 193041
Step 268: 193041 + 723 = 193764
Step 269: 193764 + 723 = 194487
Step 270: 194487 + 723 = 195210
Step 271: 195210 + 723 = 195933
Step 272: 195933 + 723 = 196656
Step 273: 196656 + 723 = 197379
Step 274: 197379 + 723 = 198102
Step 275: 198102 + 723 = 198825
Step 276: 198825 + 723 = 199548
Step 277: 199548 + 723 = 200271
Step 278: 200271 + 723 = 200994
Step 279: 200994 + 723 = 201717
Step 280: 201717 + 723 = 202440
Step 281: 202440 + 723 = 203163
Step 282: 203163 + 723 = 203886
Step 283: 203886 + 723 = 204609
Step 284: 204609 + 723 = 205332
Step 285: 205332 + 723 = 206055
Step 286: 206055 + 723 = 206778
Step 287: 206778 + 723 = 207501
Step 288: 207501 + 723 = 208224
Step 289: 208224 + 723 = 208947
Step 290: 208947 + 723 = 209670
Step 291: 209670 + 723 = 210393
Step 292: 210393 + 723 = 211116
Step 293: 211116 + 723 = 211839
Step 294: 211839 + 723 = 212562
Step 295: 212562 + 723 = 213285
Step 296: 213285 + 723 = 214008
Step 297: 214008 + 723 = 214731
Step 298: 214731 + 723 = 215454
Step 299: 215454 + 723 = 216177
Step 300: 216177 + 723 = 216900
Step 301: 216900 + 723 = 217623
Step 302: 217623 + 723 = 218346
Step 303: 218346 + 723 = 219069
Step 304: 219069 + 723 = 219792
Step 305: 219792 + 723 = 220515
Step 306: 220515 + 723 = 221238
Step 307: 221238 + 723 = 221961
Step 308: 221961 + 723 = 222684
Step 309: 222684 + 723 = 223407
Step 310: 223407 + 723 = 224130
Step 311: 224130 + 723 = 224853
Step 312: 224853 + 723 = 225576
Step 313: 225576 + 723 = 226299
Step 314: 226299 + 723 = 227022
Step 315: 227022 + 723 = 227745
Step 316: 227745 + 723 = 228468
Step 317: 228468 + 723 = 229191
Step 318: 229191 + 723 = 229914
Step 319: 229914 + 723 = 230637
Step 320: 230637 + 723 = 231360
Step 321: 231360 + 723 = 232083
Step 322: 232083 + 723 = 232806
Step 323: 232806 + 723 = 233529
Step 324: 233529 + 723 = 234252
Step 325: 234252 + 723 = 234975
Step 326: 234975 + 723 = 235698
Step 327: 235698 + 723 = 236421
Step 328: 236421 + 723 = 237144
Step 329: 237144 + 723 = 237867
Step 330: 237867 + 723 = 238590
Step 331: 238590 + 723 = 239313
Step 332: 239313 + 723 = 240036
Step 333: 240036 + 723 = 240759
Step 334: 240759 + 723 = 241482
Step 335: 241482 + 723 = 242205
Step 336: 242205 + 723 = 242928
Step 337: 242928 + 723 = 243651
Step 338: 243651 + 723 = 244374
Step 339: 244374 + 723 = 245097
Step 340: 245097 + 723 = 245820
Step 341: 245820 + 723 = 246543
Step 342: 246543 + 723 = 247266
Step 343: 247266 + 723 = 247989
Step 344: 247989 + 723 = 248712
Step 345: 248712 + 723 = 249435
Step 346: 249435 + 723 = 250158
Step 347: 250158 + 723 = 250881
Step 348: 250881 + 723 = 251604
Step 349: 251604 + 723 = 252327
Step 350: 252327 + 723 = 253050
Step 351: 253050 + 723 = 253773
Step 352: 253773 + 723 = 254496
Step 353: 254496 + 723 = 255219
Step 354: 255219 + 723 = 255942
Step 355: 255942 + 723 = 256665
Step 356: 256665 + 723 = 257388
Step 357: 257388 + 723 = 258111
Step 358: 258111 + 723 = 258834
Step 359: 258834 + 723 = 259557
Step 360: 259557 + 723 = 260280
Step 361: 260280 + 723 = 261003
Step 362: 261003 + 723 = 261726
Step 363: 261726 + 723 = 262449
Step 364: 262449 + 723 = 263172
Step 365: 263172 + 723 = 263895
Step 366: 263895 + 723 = 264618
Step 367: 264618 + 723 = 265341
Step 368: 265341 + 723 = 266064
Step 369: 266064 + 723 = 266787
Step 370: 266787 + 723 = 267510
Step 371: 267510 + 723 = 268233
Step 372: 268233 + 723 = 268956
Step 373: 268956 + 723 = 269679
Step 374: 269679 + 723 = 270402
Step 375: 270402 + 723 = 271125
Step 376: 271125 + 723 = 271848
Step 377: 271848 + 723 = 272571
Step 378: 272571 + 723 = 273294
Step 379: 273294 + 723 = 274017
Step 380: 274017 + 723 = 274740
Step 381: 274740 + 723 = 275463
Step 382: 275463 + 723 = 276186
Step 383: 276186 + 723 = 276909
Step 384: 276909 + 723 = 277632
Step 385: 277632 + 723 = 278355
Step 386: 278355 + 723 = 279078
Step 387: 279078 + 723 = 279801

So, 723*387 = 279801