Sure thing, let's get straight to it. We start with 249 and we're going to multiply it by 351, which means adding 249 to itself 351 times.
Step 1: 0 + 249 = 249
Step 2: 249 + 249 = 498
Step 3: 498 + 249 = 747
Step 4: 747 + 249 = 996
Step 5: 996 + 249 = 1245
Step 6: 1245 + 249 = 1494
Step 7: 1494 + 249 = 1743
Step 8: 1743 + 249 = 1992
Step 9: 1992 + 249 = 2241
Step 10: 2241 + 249 = 2490
Step 11: 2490 + 249 = 2739
Step 12: 2739 + 249 = 2988
Step 13: 2988 + 249 = 3237
Step 14: 3237 + 249 = 3486
Step 15: 3486 + 249 = 3735
Step 16: 3735 + 249 = 3984
Step 17: 3984 + 249 = 4233
Step 18: 4233 + 249 = 4482
Step 19: 4482 + 249 = 4731
Step 20: 4731 + 249 = 4980
Step 21: 4980 + 249 = 5229
Step 22: 5229 + 249 = 5478
Step 23: 5478 + 249 = 5727
Step 24: 5727 + 249 = 5976
Step 25: 5976 + 249 = 6225
Step 26: 6225 + 249 = 6474
Step 27: 6474 + 249 = 6723
Step 28: 6723 + 249 = 6972
Step 29: 6972 + 249 = 7221
Step 30: 7221 + 249 = 7470
Step 31: 7470 + 249 = 7719
Step 32: 7719 + 249 = 7968
Step 33: 7968 + 249 = 8217
Step 34: 8217 + 249 = 8466
Step 35: 8466 + 249 = 8715
Step 36: 8715 + 249 = 8964
Step 37: 8964 + 249 = 9213
Step 38: 9213 + 249 = 9462
Step 39: 9462 + 249 = 9711
Step 40: 9711 + 249 = 9960
Step 41: 9960 + 249 = 10209
Step 42: 10209 + 249 = 10458
Step 43: 10458 + 249 = 10707
Step 44: 10707 + 249 = 10956
Step 45: 10956 + 249 = 11205
Step 46: 11205 + 249 = 11454
Step 47: 11454 + 249 = 11703
Step 48: 11703 + 249 = 11952
Step 49: 11952 + 249 = 12201
Step 50: 12201 + 249 = 12450
Step 51: 12450 + 249 = 12699
Step 52: 12699 + 249 = 12948
Step 53: 12948 + 249 = 13197
Step 54: 13197 + 249 = 13446
Step 55: 13446 + 249 = 13695
Step 56: 13695 + 249 = 13944
Step 57: 13944 + 249 = 14193
Step 58: 14193 + 249 = 14442
Step 59: 14442 + 249 = 14691
Step 60: 14691 + 249 = 14940
Step 61: 14940 + 249 = 15189
Step 62: 15189 + 249 = 15438
Step 63: 15438 + 249 = 15687
Step 64: 15687 + 249 = 15936
Step 65: 15936 + 249 = 16185
Step 66: 16185 + 249 = 16434
Step 67: 16434 + 249 = 16683
Step 68: 16683 + 249 = 16932
Step 69: 16932 + 249 = 17181
Step 70: 17181 + 249 = 17430
Step 71: 17430 + 249 = 17679
Step 72: 17679 + 249 = 17928
Step 73: 17928 + 249 = 18177
Step 74: 18177 + 249 = 18426
Step 75: 18426 + 249 = 18675
Step 76: 18675 + 249 = 18924
Step 77: 18924 + 249 = 19173
Step 78: 19173 + 249 = 19422
Step 79: 19422 + 249 = 19671
Step 80: 19671 + 249 = 19920
Step 81: 19920 + 249 = 20169
Step 82: 20169 + 249 = 20418
Step 83: 20418 + 249 = 20667
Step 84: 20667 + 249 = 20916
Step 85: 20916 + 249 = 21165
Step 86: 21165 + 249 = 21414
Step 87: 21414 + 249 = 21663
Step 88: 21663 + 249 = 21912
Step 89: 21912 + 249 = 22161
Step 90: 22161 + 249 = 22410
Step 91: 22410 + 249 = 22659
Step 92: 22659 + 249 = 22908
Step 93: 22908 + 249 = 23157
Step 94: 23157 + 249 = 23406
Step 95: 23406 + 249 = 23655
Step 96: 23655 + 249 = 23904
Step 97: 23904 + 249 = 24153
Step 98: 24153 + 249 = 24402
Step 99: 24402 + 249 = 24651
Step 100: 24651 + 249 = 24900
Step 101: 24900 + 249 = 25149
Step 102: 25149 + 249 = 25398
Step 103: 25398 + 249 = 25647
Step 104: 25647 + 249 = 25896
Step 105: 25896 + 249 = 26145
Step 106: 26145 + 249 = 26394
Step 107: 26394 + 249 = 26643
Step 108: 26643 + 249 = 26892
Step 109: 26892 + 249 = 27141
Step 110: 27141 + 249 = 27390
Step 111: 27390 + 249 = 27639
Step 112: 27639 + 249 = 27888
Step 113: 27888 + 249 = 28137
Step 114: 28137 + 249 = 28386
Step 115: 28386 + 249 = 28635
Step 116: 28635 + 249 = 28884
Step 117: 28884 + 249 = 29133
Step 118: 29133 + 249 = 29382
Step 119: 29382 + 249 = 29631
Step 120: 29631 + 249 = 29880
Step 121: 29880 + 249 = 30129
Step 122: 30129 + 249 = 30378
Step 123: 30378 + 249 = 30627
Step 124: 30627 + 249 = 30876
Step 125: 30876 + 249 = 31125
Step 126: 31125 + 249 = 31374
Step 127: 31374 + 249 = 31623
Step 128: 31623 + 249 = 31872
Step 129: 31872 + 249 = 32121
Step 130: 32121 + 249 = 32370
Step 131: 32370 + 249 = 32619
Step 132: 32619 + 249 = 32868
Step 133: 32868 + 249 = 33117
Step 134: 33117 + 249 = 33366
Step 135: 33366 + 249 = 33615
Step 136: 33615 + 249 = 33864
Step 137: 33864 + 249 = 34113
Step 138: 34113 + 249 = 34362
Step 139: 34362 + 249 = 34611
Step 140: 34611 + 249 = 34860
Step 141: 34860 + 249 = 35109
Step 142: 35109 + 249 = 35358
Step 143: 35358 + 249 = 35607
Step 144: 35607 + 249 = 35856
Step 145: 35856 + 249 = 36105
Step 146: 36105 + 249 = 36354
Step 147: 36354 + 249 = 36603
Step 148: 36603 + 249 = 36852
Step 149: 36852 + 249 = 37101
Step 150: 37101 + 249 = 37350
Step 151: 37350 + 249 = 37599
Step 152: 37599 + 249 = 37848
Step 153: 37848 + 249 = 38097
Step 154: 38097 + 249 = 38346
Step 155: 38346 + 249 = 38595
Step 156: 38595 + 249 = 38844
Step 157: 38844 + 249 = 39093
Step 158: 39093 + 249 = 39342
Step 159: 39342 + 249 = 39591
Step 160: 39591 + 249 = 39840
Step 161: 39840 + 249 = 40089
Step 162: 40089 + 249 = 40338
Step 163: 40338 + 249 = 40587
Step 164: 40587 + 249 = 40836
Step 165: 40836 + 249 = 41085
Step 166: 41085 + 249 = 41334
Step 167: 41334 + 249 = 41583
Step 168: 41583 + 249 = 41832
Step 169: 41832 + 249 = 42081
Step 170: 42081 + 249 = 42330
Step 171: 42330 + 249 = 42579
Step 172: 42579 + 249 = 42828
Step 173: 42828 + 249 = 43077
Step 174: 43077 + 249 = 43326
Step 175: 43326 + 249 = 43575
Step 176: 43575 + 249 = 43824
Step 177: 43824 + 249 = 44073
Step 178: 44073 + 249 = 44322
Step 179: 44322 + 249 = 44571
Step 180: 44571 + 249 = 44820
Step 181: 44820 + 249 = 45069
Step 182: 45069 + 249 = 45318
Step 183: 45318 + 249 = 45567
Step 184: 45567 + 249 = 45816
Step 185: 45816 + 249 = 46065
Step 186: 46065 + 249 = 46314
Step 187: 46314 + 249 = 46563
Step 188: 46563 + 249 = 46812
Step 189: 46812 + 249 = 47061
Step 190: 47061 + 249 = 47310
Step 191: 47310 + 249 = 47559
Step 192: 47559 + 249 = 47808
Step 193: 47808 + 249 = 48057
Step 194: 48057 + 249 = 48306
Step 195: 48306 + 249 = 48555
Step 196: 48555 + 249 = 48804
Step 197: 48804 + 249 = 49053
Step 198: 49053 + 249 = 49302
Step 199: 49302 + 249 = 49551
Step 200: 49551 + 249 = 49800
Step 201: 49800 + 249 = 50049
Step 202: 50049 + 249 = 50298
Step 203: 50298 + 249 = 50547
Step 204: 50547 + 249 = 50796
Step 205: 50796 + 249 = 51045
Step 206: 51045 + 249 = 51294
Step 207: 51294 + 249 = 51543
Step 208: 51543 + 249 = 51792
Step 209: 51792 + 249 = 52041
Step 210: 52041 + 249 = 52290
Step 211: 52290 + 249 = 52539
Step 212: 52539 + 249 = 52788
Step 213: 52788 + 249 = 53037
Step 214: 53037 + 249 = 53286
Step 215: 53286 + 249 = 53535
Step 216: 53535 + 249 = 53784
Step 217: 53784 + 249 = 54033
Step 218: 54033 + 249 = 54282
Step 219: 54282 + 249 = 54531
Step 220: 54531 + 249 = 54780
Step 221: 54780 + 249 = 55029
Step 222: 55029 + 249 = 55278
Step 223: 55278 + 249 = 55527
Step 224: 55527 + 249 = 55776
Step 225: 55776 + 249 = 56025
Step 226: 56025 + 249 = 56274
Step 227: 56274 + 249 = 56523
Step 228: 56523 + 249 = 56772
Step 229: 56772 + 249 = 57021
Step 230: 57021 + 249 = 57270
Step 231: 57270 + 249 = 57519
Step 232: 57519 + 249 = 57768
Step 233: 57768 + 249 = 58017
Step 234: 58017 + 249 = 58266
Step 235: 58266 + 249 = 58515
Step 236: 58515 + 249 = 58764
Step 237: 58764 + 249 = 59013
Step 238: 59013 + 249 = 59262
Step 239: 59262 + 249 = 59511
Step 240: 59511 + 249 = 59760
Step 241: 59760 + 249 = 60009
Step 242: 60009 + 249 = 60258
Step 243: 60258 + 249 = 60507
Step 244: 60507 + 249 = 60756
Step 245: 60756 + 249 = 61005
Step 246: 61005 + 249 = 61254
Step 247: 61254 + 249 = 61503
Step 248: 61503 + 249 = 61752
Step 249: 61752 + 249 = 62001
Step 250: 62001 + 249 = 62250
Step 251: 62250 + 249 = 62499
Step 252: 62499 + 249 = 62748
Step 253: 62748 + 249 = 62997
Step 254: 62997 + 249 = 63246
Step 255: 63246 + 249 = 63495
Step 256: 63495 + 249 = 63744
Step 257: 63744 + 249 = 63993
Step 258: 63993 + 249 = 64242
Step 259: 64242 + 249 = 64491
Step 260: 64491 + 249 = 64740
Step 261: 64740 + 249 = 64989
Step 262: 64989 + 249 = 65238
Step 263: 65238 + 249 = 65487
Step 264: 65487 + 249 = 65736
Step 265: 65736 + 249 = 65985
Step 266: 65985 + 249 = 66234
Step 267: 66234 + 249 = 66483
Step 268: 66483 + 249 = 66732
Step 269: 66732 + 249 = 66981
Step 270: 66981 + 249 = 67230
Step 271: 67230 + 249 = 67479
Step 272: 67479 + 249 = 67728
Step 273: 67728 + 249 = 67977
Step 274: 67977 + 249 = 68226
Step 275: 68226 + 249 = 68475
Step 276: 68475 + 249 = 68724
Step 277: 68724 + 249 = 68973
Step 278: 68973 + 249 = 69222
Step 279: 69222 + 249 = 69471
Step 280: 69471 + 249 = 69720
Step 281: 69720 + 249 = 69969
Step 282: 69969 + 249 = 70218
Step 283: 70218 + 249 = 70467
Step 284: 70467 + 249 = 70716
Step 285: 70716 + 249 = 70965
Step 286: 70965 + 249 = 71214
Step 287: 71214 + 249 = 71463
Step 288: 71463 + 249 = 71712
Step 289: 71712 + 249 = 71961
Step 290: 71961 + 249 = 72210
Step 291: 72210 + 249 = 72459
Step 292: 72459 + 249 = 72708
Step 293: 72708 + 249 = 72957
Step 294: 72957 + 249 = 73206
Step 295: 73206 + 249 = 73455
Step 296: 73455 + 249 = 73704
Step 297: 73704 + 249 = 73953
Step 298: 73953 + 249 = 74202
Step 299: 74202 + 249 = 74451
Step 300: 74451 + 249 = 74700
Step 301: 74700 + 249 = 74949
Step 302: 74949 + 249 = 75198
Step 303: 75198 + 249 = 75447
Step 304: 75447 + 249 = 75696
Step 305: 75696 + 249 = 75945
Step 306: 75945 + 249 = 76194
Step 307: 76194 + 249 = 76443
Step 308: 76443 + 249 = 76692
Step 309: 76692 + 249 = 76941
Step 310: 76941 + 249 = 77190
Step 311: 77190 + 249 = 77439
Step 312: 77439 + 249 = 77688
Step 313: 77688 + 249 = 77937
Step 314: 77937 + 249 = 78186
Step 315: 78186 + 249 = 78435
Step 316: 78435 + 249 = 78684
Step 317: 78684 + 249 = 78933
Step 318: 78933 + 249 = 79182
Step 319: 79182 + 249 = 79431
Step 320: 79431 + 249 = 79680
Step 321: 79680 + 249 = 79929
Step 322: 79929 + 249 = 80178
Step 323: 80178 + 249 = 80427
Step 324: 80427 + 249 = 80676
Step 325: 80676 + 249 = 80925
Step 326: 80925 + 249 = 81174
Step 327: 81174 + 249 = 81423
Step 328: 81423 + 249 = 81672
Step 329: 81672 + 249 = 81921
Step 330: 81921 + 249 = 82170
Step 331: 82170 + 249 = 82419
Step 332: 82419 + 249 = 82668
Step 333: 82668 + 249 = 82917
Step 334: 82917 + 249 = 83166
Step 335: 83166 + 249 = 83415
Step 336: 83415 + 249 = 83664
Step 337: 83664 + 249 = 83913
Step 338: 83913 + 249 = 84162
Step 339: 84162 + 249 = 84411
Step 340: 84411 + 249 = 84660
Step 341: 84660 + 249 = 84909
Step 342: 84909 + 249 = 85158
Step 343: 85158 + 249 = 85407
Step 344: 85407 + 249 = 85656
Step 345: 85656 + 249 = 85905
Step 346: 85905 + 249 = 86154
Step 347: 86154 + 249 = 86403
Step 348: 86403 + 249 = 86652
Step 349: 86652 + 249 = 86901
Step 350: 86901 + 249 = 87150
Step 351: 87150 + 249 = 87399

So, 249*351 = 87399