Without delay, let's solve this. We've got 287 and we will be multiplying it by 406, that is, adding 287 to itself 406 times.
Step 1: 0 + 287 = 287
Step 2: 287 + 287 = 574
Step 3: 574 + 287 = 861
Step 4: 861 + 287 = 1148
Step 5: 1148 + 287 = 1435
Step 6: 1435 + 287 = 1722
Step 7: 1722 + 287 = 2009
Step 8: 2009 + 287 = 2296
Step 9: 2296 + 287 = 2583
Step 10: 2583 + 287 = 2870
Step 11: 2870 + 287 = 3157
Step 12: 3157 + 287 = 3444
Step 13: 3444 + 287 = 3731
Step 14: 3731 + 287 = 4018
Step 15: 4018 + 287 = 4305
Step 16: 4305 + 287 = 4592
Step 17: 4592 + 287 = 4879
Step 18: 4879 + 287 = 5166
Step 19: 5166 + 287 = 5453
Step 20: 5453 + 287 = 5740
Step 21: 5740 + 287 = 6027
Step 22: 6027 + 287 = 6314
Step 23: 6314 + 287 = 6601
Step 24: 6601 + 287 = 6888
Step 25: 6888 + 287 = 7175
Step 26: 7175 + 287 = 7462
Step 27: 7462 + 287 = 7749
Step 28: 7749 + 287 = 8036
Step 29: 8036 + 287 = 8323
Step 30: 8323 + 287 = 8610
Step 31: 8610 + 287 = 8897
Step 32: 8897 + 287 = 9184
Step 33: 9184 + 287 = 9471
Step 34: 9471 + 287 = 9758
Step 35: 9758 + 287 = 10045
Step 36: 10045 + 287 = 10332
Step 37: 10332 + 287 = 10619
Step 38: 10619 + 287 = 10906
Step 39: 10906 + 287 = 11193
Step 40: 11193 + 287 = 11480
Step 41: 11480 + 287 = 11767
Step 42: 11767 + 287 = 12054
Step 43: 12054 + 287 = 12341
Step 44: 12341 + 287 = 12628
Step 45: 12628 + 287 = 12915
Step 46: 12915 + 287 = 13202
Step 47: 13202 + 287 = 13489
Step 48: 13489 + 287 = 13776
Step 49: 13776 + 287 = 14063
Step 50: 14063 + 287 = 14350
Step 51: 14350 + 287 = 14637
Step 52: 14637 + 287 = 14924
Step 53: 14924 + 287 = 15211
Step 54: 15211 + 287 = 15498
Step 55: 15498 + 287 = 15785
Step 56: 15785 + 287 = 16072
Step 57: 16072 + 287 = 16359
Step 58: 16359 + 287 = 16646
Step 59: 16646 + 287 = 16933
Step 60: 16933 + 287 = 17220
Step 61: 17220 + 287 = 17507
Step 62: 17507 + 287 = 17794
Step 63: 17794 + 287 = 18081
Step 64: 18081 + 287 = 18368
Step 65: 18368 + 287 = 18655
Step 66: 18655 + 287 = 18942
Step 67: 18942 + 287 = 19229
Step 68: 19229 + 287 = 19516
Step 69: 19516 + 287 = 19803
Step 70: 19803 + 287 = 20090
Step 71: 20090 + 287 = 20377
Step 72: 20377 + 287 = 20664
Step 73: 20664 + 287 = 20951
Step 74: 20951 + 287 = 21238
Step 75: 21238 + 287 = 21525
Step 76: 21525 + 287 = 21812
Step 77: 21812 + 287 = 22099
Step 78: 22099 + 287 = 22386
Step 79: 22386 + 287 = 22673
Step 80: 22673 + 287 = 22960
Step 81: 22960 + 287 = 23247
Step 82: 23247 + 287 = 23534
Step 83: 23534 + 287 = 23821
Step 84: 23821 + 287 = 24108
Step 85: 24108 + 287 = 24395
Step 86: 24395 + 287 = 24682
Step 87: 24682 + 287 = 24969
Step 88: 24969 + 287 = 25256
Step 89: 25256 + 287 = 25543
Step 90: 25543 + 287 = 25830
Step 91: 25830 + 287 = 26117
Step 92: 26117 + 287 = 26404
Step 93: 26404 + 287 = 26691
Step 94: 26691 + 287 = 26978
Step 95: 26978 + 287 = 27265
Step 96: 27265 + 287 = 27552
Step 97: 27552 + 287 = 27839
Step 98: 27839 + 287 = 28126
Step 99: 28126 + 287 = 28413
Step 100: 28413 + 287 = 28700
Step 101: 28700 + 287 = 28987
Step 102: 28987 + 287 = 29274
Step 103: 29274 + 287 = 29561
Step 104: 29561 + 287 = 29848
Step 105: 29848 + 287 = 30135
Step 106: 30135 + 287 = 30422
Step 107: 30422 + 287 = 30709
Step 108: 30709 + 287 = 30996
Step 109: 30996 + 287 = 31283
Step 110: 31283 + 287 = 31570
Step 111: 31570 + 287 = 31857
Step 112: 31857 + 287 = 32144
Step 113: 32144 + 287 = 32431
Step 114: 32431 + 287 = 32718
Step 115: 32718 + 287 = 33005
Step 116: 33005 + 287 = 33292
Step 117: 33292 + 287 = 33579
Step 118: 33579 + 287 = 33866
Step 119: 33866 + 287 = 34153
Step 120: 34153 + 287 = 34440
Step 121: 34440 + 287 = 34727
Step 122: 34727 + 287 = 35014
Step 123: 35014 + 287 = 35301
Step 124: 35301 + 287 = 35588
Step 125: 35588 + 287 = 35875
Step 126: 35875 + 287 = 36162
Step 127: 36162 + 287 = 36449
Step 128: 36449 + 287 = 36736
Step 129: 36736 + 287 = 37023
Step 130: 37023 + 287 = 37310
Step 131: 37310 + 287 = 37597
Step 132: 37597 + 287 = 37884
Step 133: 37884 + 287 = 38171
Step 134: 38171 + 287 = 38458
Step 135: 38458 + 287 = 38745
Step 136: 38745 + 287 = 39032
Step 137: 39032 + 287 = 39319
Step 138: 39319 + 287 = 39606
Step 139: 39606 + 287 = 39893
Step 140: 39893 + 287 = 40180
Step 141: 40180 + 287 = 40467
Step 142: 40467 + 287 = 40754
Step 143: 40754 + 287 = 41041
Step 144: 41041 + 287 = 41328
Step 145: 41328 + 287 = 41615
Step 146: 41615 + 287 = 41902
Step 147: 41902 + 287 = 42189
Step 148: 42189 + 287 = 42476
Step 149: 42476 + 287 = 42763
Step 150: 42763 + 287 = 43050
Step 151: 43050 + 287 = 43337
Step 152: 43337 + 287 = 43624
Step 153: 43624 + 287 = 43911
Step 154: 43911 + 287 = 44198
Step 155: 44198 + 287 = 44485
Step 156: 44485 + 287 = 44772
Step 157: 44772 + 287 = 45059
Step 158: 45059 + 287 = 45346
Step 159: 45346 + 287 = 45633
Step 160: 45633 + 287 = 45920
Step 161: 45920 + 287 = 46207
Step 162: 46207 + 287 = 46494
Step 163: 46494 + 287 = 46781
Step 164: 46781 + 287 = 47068
Step 165: 47068 + 287 = 47355
Step 166: 47355 + 287 = 47642
Step 167: 47642 + 287 = 47929
Step 168: 47929 + 287 = 48216
Step 169: 48216 + 287 = 48503
Step 170: 48503 + 287 = 48790
Step 171: 48790 + 287 = 49077
Step 172: 49077 + 287 = 49364
Step 173: 49364 + 287 = 49651
Step 174: 49651 + 287 = 49938
Step 175: 49938 + 287 = 50225
Step 176: 50225 + 287 = 50512
Step 177: 50512 + 287 = 50799
Step 178: 50799 + 287 = 51086
Step 179: 51086 + 287 = 51373
Step 180: 51373 + 287 = 51660
Step 181: 51660 + 287 = 51947
Step 182: 51947 + 287 = 52234
Step 183: 52234 + 287 = 52521
Step 184: 52521 + 287 = 52808
Step 185: 52808 + 287 = 53095
Step 186: 53095 + 287 = 53382
Step 187: 53382 + 287 = 53669
Step 188: 53669 + 287 = 53956
Step 189: 53956 + 287 = 54243
Step 190: 54243 + 287 = 54530
Step 191: 54530 + 287 = 54817
Step 192: 54817 + 287 = 55104
Step 193: 55104 + 287 = 55391
Step 194: 55391 + 287 = 55678
Step 195: 55678 + 287 = 55965
Step 196: 55965 + 287 = 56252
Step 197: 56252 + 287 = 56539
Step 198: 56539 + 287 = 56826
Step 199: 56826 + 287 = 57113
Step 200: 57113 + 287 = 57400
Step 201: 57400 + 287 = 57687
Step 202: 57687 + 287 = 57974
Step 203: 57974 + 287 = 58261
Step 204: 58261 + 287 = 58548
Step 205: 58548 + 287 = 58835
Step 206: 58835 + 287 = 59122
Step 207: 59122 + 287 = 59409
Step 208: 59409 + 287 = 59696
Step 209: 59696 + 287 = 59983
Step 210: 59983 + 287 = 60270
Step 211: 60270 + 287 = 60557
Step 212: 60557 + 287 = 60844
Step 213: 60844 + 287 = 61131
Step 214: 61131 + 287 = 61418
Step 215: 61418 + 287 = 61705
Step 216: 61705 + 287 = 61992
Step 217: 61992 + 287 = 62279
Step 218: 62279 + 287 = 62566
Step 219: 62566 + 287 = 62853
Step 220: 62853 + 287 = 63140
Step 221: 63140 + 287 = 63427
Step 222: 63427 + 287 = 63714
Step 223: 63714 + 287 = 64001
Step 224: 64001 + 287 = 64288
Step 225: 64288 + 287 = 64575
Step 226: 64575 + 287 = 64862
Step 227: 64862 + 287 = 65149
Step 228: 65149 + 287 = 65436
Step 229: 65436 + 287 = 65723
Step 230: 65723 + 287 = 66010
Step 231: 66010 + 287 = 66297
Step 232: 66297 + 287 = 66584
Step 233: 66584 + 287 = 66871
Step 234: 66871 + 287 = 67158
Step 235: 67158 + 287 = 67445
Step 236: 67445 + 287 = 67732
Step 237: 67732 + 287 = 68019
Step 238: 68019 + 287 = 68306
Step 239: 68306 + 287 = 68593
Step 240: 68593 + 287 = 68880
Step 241: 68880 + 287 = 69167
Step 242: 69167 + 287 = 69454
Step 243: 69454 + 287 = 69741
Step 244: 69741 + 287 = 70028
Step 245: 70028 + 287 = 70315
Step 246: 70315 + 287 = 70602
Step 247: 70602 + 287 = 70889
Step 248: 70889 + 287 = 71176
Step 249: 71176 + 287 = 71463
Step 250: 71463 + 287 = 71750
Step 251: 71750 + 287 = 72037
Step 252: 72037 + 287 = 72324
Step 253: 72324 + 287 = 72611
Step 254: 72611 + 287 = 72898
Step 255: 72898 + 287 = 73185
Step 256: 73185 + 287 = 73472
Step 257: 73472 + 287 = 73759
Step 258: 73759 + 287 = 74046
Step 259: 74046 + 287 = 74333
Step 260: 74333 + 287 = 74620
Step 261: 74620 + 287 = 74907
Step 262: 74907 + 287 = 75194
Step 263: 75194 + 287 = 75481
Step 264: 75481 + 287 = 75768
Step 265: 75768 + 287 = 76055
Step 266: 76055 + 287 = 76342
Step 267: 76342 + 287 = 76629
Step 268: 76629 + 287 = 76916
Step 269: 76916 + 287 = 77203
Step 270: 77203 + 287 = 77490
Step 271: 77490 + 287 = 77777
Step 272: 77777 + 287 = 78064
Step 273: 78064 + 287 = 78351
Step 274: 78351 + 287 = 78638
Step 275: 78638 + 287 = 78925
Step 276: 78925 + 287 = 79212
Step 277: 79212 + 287 = 79499
Step 278: 79499 + 287 = 79786
Step 279: 79786 + 287 = 80073
Step 280: 80073 + 287 = 80360
Step 281: 80360 + 287 = 80647
Step 282: 80647 + 287 = 80934
Step 283: 80934 + 287 = 81221
Step 284: 81221 + 287 = 81508
Step 285: 81508 + 287 = 81795
Step 286: 81795 + 287 = 82082
Step 287: 82082 + 287 = 82369
Step 288: 82369 + 287 = 82656
Step 289: 82656 + 287 = 82943
Step 290: 82943 + 287 = 83230
Step 291: 83230 + 287 = 83517
Step 292: 83517 + 287 = 83804
Step 293: 83804 + 287 = 84091
Step 294: 84091 + 287 = 84378
Step 295: 84378 + 287 = 84665
Step 296: 84665 + 287 = 84952
Step 297: 84952 + 287 = 85239
Step 298: 85239 + 287 = 85526
Step 299: 85526 + 287 = 85813
Step 300: 85813 + 287 = 86100
Step 301: 86100 + 287 = 86387
Step 302: 86387 + 287 = 86674
Step 303: 86674 + 287 = 86961
Step 304: 86961 + 287 = 87248
Step 305: 87248 + 287 = 87535
Step 306: 87535 + 287 = 87822
Step 307: 87822 + 287 = 88109
Step 308: 88109 + 287 = 88396
Step 309: 88396 + 287 = 88683
Step 310: 88683 + 287 = 88970
Step 311: 88970 + 287 = 89257
Step 312: 89257 + 287 = 89544
Step 313: 89544 + 287 = 89831
Step 314: 89831 + 287 = 90118
Step 315: 90118 + 287 = 90405
Step 316: 90405 + 287 = 90692
Step 317: 90692 + 287 = 90979
Step 318: 90979 + 287 = 91266
Step 319: 91266 + 287 = 91553
Step 320: 91553 + 287 = 91840
Step 321: 91840 + 287 = 92127
Step 322: 92127 + 287 = 92414
Step 323: 92414 + 287 = 92701
Step 324: 92701 + 287 = 92988
Step 325: 92988 + 287 = 93275
Step 326: 93275 + 287 = 93562
Step 327: 93562 + 287 = 93849
Step 328: 93849 + 287 = 94136
Step 329: 94136 + 287 = 94423
Step 330: 94423 + 287 = 94710
Step 331: 94710 + 287 = 94997
Step 332: 94997 + 287 = 95284
Step 333: 95284 + 287 = 95571
Step 334: 95571 + 287 = 95858
Step 335: 95858 + 287 = 96145
Step 336: 96145 + 287 = 96432
Step 337: 96432 + 287 = 96719
Step 338: 96719 + 287 = 97006
Step 339: 97006 + 287 = 97293
Step 340: 97293 + 287 = 97580
Step 341: 97580 + 287 = 97867
Step 342: 97867 + 287 = 98154
Step 343: 98154 + 287 = 98441
Step 344: 98441 + 287 = 98728
Step 345: 98728 + 287 = 99015
Step 346: 99015 + 287 = 99302
Step 347: 99302 + 287 = 99589
Step 348: 99589 + 287 = 99876
Step 349: 99876 + 287 = 100163
Step 350: 100163 + 287 = 100450
Step 351: 100450 + 287 = 100737
Step 352: 100737 + 287 = 101024
Step 353: 101024 + 287 = 101311
Step 354: 101311 + 287 = 101598
Step 355: 101598 + 287 = 101885
Step 356: 101885 + 287 = 102172
Step 357: 102172 + 287 = 102459
Step 358: 102459 + 287 = 102746
Step 359: 102746 + 287 = 103033
Step 360: 103033 + 287 = 103320
Step 361: 103320 + 287 = 103607
Step 362: 103607 + 287 = 103894
Step 363: 103894 + 287 = 104181
Step 364: 104181 + 287 = 104468
Step 365: 104468 + 287 = 104755
Step 366: 104755 + 287 = 105042
Step 367: 105042 + 287 = 105329
Step 368: 105329 + 287 = 105616
Step 369: 105616 + 287 = 105903
Step 370: 105903 + 287 = 106190
Step 371: 106190 + 287 = 106477
Step 372: 106477 + 287 = 106764
Step 373: 106764 + 287 = 107051
Step 374: 107051 + 287 = 107338
Step 375: 107338 + 287 = 107625
Step 376: 107625 + 287 = 107912
Step 377: 107912 + 287 = 108199
Step 378: 108199 + 287 = 108486
Step 379: 108486 + 287 = 108773
Step 380: 108773 + 287 = 109060
Step 381: 109060 + 287 = 109347
Step 382: 109347 + 287 = 109634
Step 383: 109634 + 287 = 109921
Step 384: 109921 + 287 = 110208
Step 385: 110208 + 287 = 110495
Step 386: 110495 + 287 = 110782
Step 387: 110782 + 287 = 111069
Step 388: 111069 + 287 = 111356
Step 389: 111356 + 287 = 111643
Step 390: 111643 + 287 = 111930
Step 391: 111930 + 287 = 112217
Step 392: 112217 + 287 = 112504
Step 393: 112504 + 287 = 112791
Step 394: 112791 + 287 = 113078
Step 395: 113078 + 287 = 113365
Step 396: 113365 + 287 = 113652
Step 397: 113652 + 287 = 113939
Step 398: 113939 + 287 = 114226
Step 399: 114226 + 287 = 114513
Step 400: 114513 + 287 = 114800
Step 401: 114800 + 287 = 115087
Step 402: 115087 + 287 = 115374
Step 403: 115374 + 287 = 115661
Step 404: 115661 + 287 = 115948
Step 405: 115948 + 287 = 116235
Step 406: 116235 + 287 = 116522

So, 287*406 = 116522