Sure thing, let's get straight to it. We start with 127 and we're going to multiply it by 251, which means adding 127 to itself 251 times.
Step 1: 0 + 127 = 127
Step 2: 127 + 127 = 254
Step 3: 254 + 127 = 381
Step 4: 381 + 127 = 508
Step 5: 508 + 127 = 635
Step 6: 635 + 127 = 762
Step 7: 762 + 127 = 889
Step 8: 889 + 127 = 1016
Step 9: 1016 + 127 = 1143
Step 10: 1143 + 127 = 1270
Step 11: 1270 + 127 = 1397
Step 12: 1397 + 127 = 1524
Step 13: 1524 + 127 = 1651
Step 14: 1651 + 127 = 1778
Step 15: 1778 + 127 = 1905
Step 16: 1905 + 127 = 2032
Step 17: 2032 + 127 = 2159
Step 18: 2159 + 127 = 2286
Step 19: 2286 + 127 = 2413
Step 20: 2413 + 127 = 2540
Step 21: 2540 + 127 = 2667
Step 22: 2667 + 127 = 2794
Step 23: 2794 + 127 = 2921
Step 24: 2921 + 127 = 3048
Step 25: 3048 + 127 = 3175
Step 26: 3175 + 127 = 3302
Step 27: 3302 + 127 = 3429
Step 28: 3429 + 127 = 3556
Step 29: 3556 + 127 = 3683
Step 30: 3683 + 127 = 3810
Step 31: 3810 + 127 = 3937
Step 32: 3937 + 127 = 4064
Step 33: 4064 + 127 = 4191
Step 34: 4191 + 127 = 4318
Step 35: 4318 + 127 = 4445
Step 36: 4445 + 127 = 4572
Step 37: 4572 + 127 = 4699
Step 38: 4699 + 127 = 4826
Step 39: 4826 + 127 = 4953
Step 40: 4953 + 127 = 5080
Step 41: 5080 + 127 = 5207
Step 42: 5207 + 127 = 5334
Step 43: 5334 + 127 = 5461
Step 44: 5461 + 127 = 5588
Step 45: 5588 + 127 = 5715
Step 46: 5715 + 127 = 5842
Step 47: 5842 + 127 = 5969
Step 48: 5969 + 127 = 6096
Step 49: 6096 + 127 = 6223
Step 50: 6223 + 127 = 6350
Step 51: 6350 + 127 = 6477
Step 52: 6477 + 127 = 6604
Step 53: 6604 + 127 = 6731
Step 54: 6731 + 127 = 6858
Step 55: 6858 + 127 = 6985
Step 56: 6985 + 127 = 7112
Step 57: 7112 + 127 = 7239
Step 58: 7239 + 127 = 7366
Step 59: 7366 + 127 = 7493
Step 60: 7493 + 127 = 7620
Step 61: 7620 + 127 = 7747
Step 62: 7747 + 127 = 7874
Step 63: 7874 + 127 = 8001
Step 64: 8001 + 127 = 8128
Step 65: 8128 + 127 = 8255
Step 66: 8255 + 127 = 8382
Step 67: 8382 + 127 = 8509
Step 68: 8509 + 127 = 8636
Step 69: 8636 + 127 = 8763
Step 70: 8763 + 127 = 8890
Step 71: 8890 + 127 = 9017
Step 72: 9017 + 127 = 9144
Step 73: 9144 + 127 = 9271
Step 74: 9271 + 127 = 9398
Step 75: 9398 + 127 = 9525
Step 76: 9525 + 127 = 9652
Step 77: 9652 + 127 = 9779
Step 78: 9779 + 127 = 9906
Step 79: 9906 + 127 = 10033
Step 80: 10033 + 127 = 10160
Step 81: 10160 + 127 = 10287
Step 82: 10287 + 127 = 10414
Step 83: 10414 + 127 = 10541
Step 84: 10541 + 127 = 10668
Step 85: 10668 + 127 = 10795
Step 86: 10795 + 127 = 10922
Step 87: 10922 + 127 = 11049
Step 88: 11049 + 127 = 11176
Step 89: 11176 + 127 = 11303
Step 90: 11303 + 127 = 11430
Step 91: 11430 + 127 = 11557
Step 92: 11557 + 127 = 11684
Step 93: 11684 + 127 = 11811
Step 94: 11811 + 127 = 11938
Step 95: 11938 + 127 = 12065
Step 96: 12065 + 127 = 12192
Step 97: 12192 + 127 = 12319
Step 98: 12319 + 127 = 12446
Step 99: 12446 + 127 = 12573
Step 100: 12573 + 127 = 12700
Step 101: 12700 + 127 = 12827
Step 102: 12827 + 127 = 12954
Step 103: 12954 + 127 = 13081
Step 104: 13081 + 127 = 13208
Step 105: 13208 + 127 = 13335
Step 106: 13335 + 127 = 13462
Step 107: 13462 + 127 = 13589
Step 108: 13589 + 127 = 13716
Step 109: 13716 + 127 = 13843
Step 110: 13843 + 127 = 13970
Step 111: 13970 + 127 = 14097
Step 112: 14097 + 127 = 14224
Step 113: 14224 + 127 = 14351
Step 114: 14351 + 127 = 14478
Step 115: 14478 + 127 = 14605
Step 116: 14605 + 127 = 14732
Step 117: 14732 + 127 = 14859
Step 118: 14859 + 127 = 14986
Step 119: 14986 + 127 = 15113
Step 120: 15113 + 127 = 15240
Step 121: 15240 + 127 = 15367
Step 122: 15367 + 127 = 15494
Step 123: 15494 + 127 = 15621
Step 124: 15621 + 127 = 15748
Step 125: 15748 + 127 = 15875
Step 126: 15875 + 127 = 16002
Step 127: 16002 + 127 = 16129
Step 128: 16129 + 127 = 16256
Step 129: 16256 + 127 = 16383
Step 130: 16383 + 127 = 16510
Step 131: 16510 + 127 = 16637
Step 132: 16637 + 127 = 16764
Step 133: 16764 + 127 = 16891
Step 134: 16891 + 127 = 17018
Step 135: 17018 + 127 = 17145
Step 136: 17145 + 127 = 17272
Step 137: 17272 + 127 = 17399
Step 138: 17399 + 127 = 17526
Step 139: 17526 + 127 = 17653
Step 140: 17653 + 127 = 17780
Step 141: 17780 + 127 = 17907
Step 142: 17907 + 127 = 18034
Step 143: 18034 + 127 = 18161
Step 144: 18161 + 127 = 18288
Step 145: 18288 + 127 = 18415
Step 146: 18415 + 127 = 18542
Step 147: 18542 + 127 = 18669
Step 148: 18669 + 127 = 18796
Step 149: 18796 + 127 = 18923
Step 150: 18923 + 127 = 19050
Step 151: 19050 + 127 = 19177
Step 152: 19177 + 127 = 19304
Step 153: 19304 + 127 = 19431
Step 154: 19431 + 127 = 19558
Step 155: 19558 + 127 = 19685
Step 156: 19685 + 127 = 19812
Step 157: 19812 + 127 = 19939
Step 158: 19939 + 127 = 20066
Step 159: 20066 + 127 = 20193
Step 160: 20193 + 127 = 20320
Step 161: 20320 + 127 = 20447
Step 162: 20447 + 127 = 20574
Step 163: 20574 + 127 = 20701
Step 164: 20701 + 127 = 20828
Step 165: 20828 + 127 = 20955
Step 166: 20955 + 127 = 21082
Step 167: 21082 + 127 = 21209
Step 168: 21209 + 127 = 21336
Step 169: 21336 + 127 = 21463
Step 170: 21463 + 127 = 21590
Step 171: 21590 + 127 = 21717
Step 172: 21717 + 127 = 21844
Step 173: 21844 + 127 = 21971
Step 174: 21971 + 127 = 22098
Step 175: 22098 + 127 = 22225
Step 176: 22225 + 127 = 22352
Step 177: 22352 + 127 = 22479
Step 178: 22479 + 127 = 22606
Step 179: 22606 + 127 = 22733
Step 180: 22733 + 127 = 22860
Step 181: 22860 + 127 = 22987
Step 182: 22987 + 127 = 23114
Step 183: 23114 + 127 = 23241
Step 184: 23241 + 127 = 23368
Step 185: 23368 + 127 = 23495
Step 186: 23495 + 127 = 23622
Step 187: 23622 + 127 = 23749
Step 188: 23749 + 127 = 23876
Step 189: 23876 + 127 = 24003
Step 190: 24003 + 127 = 24130
Step 191: 24130 + 127 = 24257
Step 192: 24257 + 127 = 24384
Step 193: 24384 + 127 = 24511
Step 194: 24511 + 127 = 24638
Step 195: 24638 + 127 = 24765
Step 196: 24765 + 127 = 24892
Step 197: 24892 + 127 = 25019
Step 198: 25019 + 127 = 25146
Step 199: 25146 + 127 = 25273
Step 200: 25273 + 127 = 25400
Step 201: 25400 + 127 = 25527
Step 202: 25527 + 127 = 25654
Step 203: 25654 + 127 = 25781
Step 204: 25781 + 127 = 25908
Step 205: 25908 + 127 = 26035
Step 206: 26035 + 127 = 26162
Step 207: 26162 + 127 = 26289
Step 208: 26289 + 127 = 26416
Step 209: 26416 + 127 = 26543
Step 210: 26543 + 127 = 26670
Step 211: 26670 + 127 = 26797
Step 212: 26797 + 127 = 26924
Step 213: 26924 + 127 = 27051
Step 214: 27051 + 127 = 27178
Step 215: 27178 + 127 = 27305
Step 216: 27305 + 127 = 27432
Step 217: 27432 + 127 = 27559
Step 218: 27559 + 127 = 27686
Step 219: 27686 + 127 = 27813
Step 220: 27813 + 127 = 27940
Step 221: 27940 + 127 = 28067
Step 222: 28067 + 127 = 28194
Step 223: 28194 + 127 = 28321
Step 224: 28321 + 127 = 28448
Step 225: 28448 + 127 = 28575
Step 226: 28575 + 127 = 28702
Step 227: 28702 + 127 = 28829
Step 228: 28829 + 127 = 28956
Step 229: 28956 + 127 = 29083
Step 230: 29083 + 127 = 29210
Step 231: 29210 + 127 = 29337
Step 232: 29337 + 127 = 29464
Step 233: 29464 + 127 = 29591
Step 234: 29591 + 127 = 29718
Step 235: 29718 + 127 = 29845
Step 236: 29845 + 127 = 29972
Step 237: 29972 + 127 = 30099
Step 238: 30099 + 127 = 30226
Step 239: 30226 + 127 = 30353
Step 240: 30353 + 127 = 30480
Step 241: 30480 + 127 = 30607
Step 242: 30607 + 127 = 30734
Step 243: 30734 + 127 = 30861
Step 244: 30861 + 127 = 30988
Step 245: 30988 + 127 = 31115
Step 246: 31115 + 127 = 31242
Step 247: 31242 + 127 = 31369
Step 248: 31369 + 127 = 31496
Step 249: 31496 + 127 = 31623
Step 250: 31623 + 127 = 31750
Step 251: 31750 + 127 = 31877

So, 127*251 = 31877