OK, let's crack this. We're given 447 and our task is to multiply it by 125. Essentially, we'll be adding 447 to itself 125 times.
Step 1: 0 + 447 = 447
Step 2: 447 + 447 = 894
Step 3: 894 + 447 = 1341
Step 4: 1341 + 447 = 1788
Step 5: 1788 + 447 = 2235
Step 6: 2235 + 447 = 2682
Step 7: 2682 + 447 = 3129
Step 8: 3129 + 447 = 3576
Step 9: 3576 + 447 = 4023
Step 10: 4023 + 447 = 4470
Step 11: 4470 + 447 = 4917
Step 12: 4917 + 447 = 5364
Step 13: 5364 + 447 = 5811
Step 14: 5811 + 447 = 6258
Step 15: 6258 + 447 = 6705
Step 16: 6705 + 447 = 7152
Step 17: 7152 + 447 = 7599
Step 18: 7599 + 447 = 8046
Step 19: 8046 + 447 = 8493
Step 20: 8493 + 447 = 8940
Step 21: 8940 + 447 = 9387
Step 22: 9387 + 447 = 9834
Step 23: 9834 + 447 = 10281
Step 24: 10281 + 447 = 10728
Step 25: 10728 + 447 = 11175
Step 26: 11175 + 447 = 11622
Step 27: 11622 + 447 = 12069
Step 28: 12069 + 447 = 12516
Step 29: 12516 + 447 = 12963
Step 30: 12963 + 447 = 13410
Step 31: 13410 + 447 = 13857
Step 32: 13857 + 447 = 14304
Step 33: 14304 + 447 = 14751
Step 34: 14751 + 447 = 15198
Step 35: 15198 + 447 = 15645
Step 36: 15645 + 447 = 16092
Step 37: 16092 + 447 = 16539
Step 38: 16539 + 447 = 16986
Step 39: 16986 + 447 = 17433
Step 40: 17433 + 447 = 17880
Step 41: 17880 + 447 = 18327
Step 42: 18327 + 447 = 18774
Step 43: 18774 + 447 = 19221
Step 44: 19221 + 447 = 19668
Step 45: 19668 + 447 = 20115
Step 46: 20115 + 447 = 20562
Step 47: 20562 + 447 = 21009
Step 48: 21009 + 447 = 21456
Step 49: 21456 + 447 = 21903
Step 50: 21903 + 447 = 22350
Step 51: 22350 + 447 = 22797
Step 52: 22797 + 447 = 23244
Step 53: 23244 + 447 = 23691
Step 54: 23691 + 447 = 24138
Step 55: 24138 + 447 = 24585
Step 56: 24585 + 447 = 25032
Step 57: 25032 + 447 = 25479
Step 58: 25479 + 447 = 25926
Step 59: 25926 + 447 = 26373
Step 60: 26373 + 447 = 26820
Step 61: 26820 + 447 = 27267
Step 62: 27267 + 447 = 27714
Step 63: 27714 + 447 = 28161
Step 64: 28161 + 447 = 28608
Step 65: 28608 + 447 = 29055
Step 66: 29055 + 447 = 29502
Step 67: 29502 + 447 = 29949
Step 68: 29949 + 447 = 30396
Step 69: 30396 + 447 = 30843
Step 70: 30843 + 447 = 31290
Step 71: 31290 + 447 = 31737
Step 72: 31737 + 447 = 32184
Step 73: 32184 + 447 = 32631
Step 74: 32631 + 447 = 33078
Step 75: 33078 + 447 = 33525
Step 76: 33525 + 447 = 33972
Step 77: 33972 + 447 = 34419
Step 78: 34419 + 447 = 34866
Step 79: 34866 + 447 = 35313
Step 80: 35313 + 447 = 35760
Step 81: 35760 + 447 = 36207
Step 82: 36207 + 447 = 36654
Step 83: 36654 + 447 = 37101
Step 84: 37101 + 447 = 37548
Step 85: 37548 + 447 = 37995
Step 86: 37995 + 447 = 38442
Step 87: 38442 + 447 = 38889
Step 88: 38889 + 447 = 39336
Step 89: 39336 + 447 = 39783
Step 90: 39783 + 447 = 40230
Step 91: 40230 + 447 = 40677
Step 92: 40677 + 447 = 41124
Step 93: 41124 + 447 = 41571
Step 94: 41571 + 447 = 42018
Step 95: 42018 + 447 = 42465
Step 96: 42465 + 447 = 42912
Step 97: 42912 + 447 = 43359
Step 98: 43359 + 447 = 43806
Step 99: 43806 + 447 = 44253
Step 100: 44253 + 447 = 44700
Step 101: 44700 + 447 = 45147
Step 102: 45147 + 447 = 45594
Step 103: 45594 + 447 = 46041
Step 104: 46041 + 447 = 46488
Step 105: 46488 + 447 = 46935
Step 106: 46935 + 447 = 47382
Step 107: 47382 + 447 = 47829
Step 108: 47829 + 447 = 48276
Step 109: 48276 + 447 = 48723
Step 110: 48723 + 447 = 49170
Step 111: 49170 + 447 = 49617
Step 112: 49617 + 447 = 50064
Step 113: 50064 + 447 = 50511
Step 114: 50511 + 447 = 50958
Step 115: 50958 + 447 = 51405
Step 116: 51405 + 447 = 51852
Step 117: 51852 + 447 = 52299
Step 118: 52299 + 447 = 52746
Step 119: 52746 + 447 = 53193
Step 120: 53193 + 447 = 53640
Step 121: 53640 + 447 = 54087
Step 122: 54087 + 447 = 54534
Step 123: 54534 + 447 = 54981
Step 124: 54981 + 447 = 55428
Step 125: 55428 + 447 = 55875

So, 447*125 = 55875