Let's get this math done. We have 63 and we're going to multiply it by 127. This is the same as taking 63 and adding it to itself 127 times.
Step 1: 0 + 63 = 63
Step 2: 63 + 63 = 126
Step 3: 126 + 63 = 189
Step 4: 189 + 63 = 252
Step 5: 252 + 63 = 315
Step 6: 315 + 63 = 378
Step 7: 378 + 63 = 441
Step 8: 441 + 63 = 504
Step 9: 504 + 63 = 567
Step 10: 567 + 63 = 630
Step 11: 630 + 63 = 693
Step 12: 693 + 63 = 756
Step 13: 756 + 63 = 819
Step 14: 819 + 63 = 882
Step 15: 882 + 63 = 945
Step 16: 945 + 63 = 1008
Step 17: 1008 + 63 = 1071
Step 18: 1071 + 63 = 1134
Step 19: 1134 + 63 = 1197
Step 20: 1197 + 63 = 1260
Step 21: 1260 + 63 = 1323
Step 22: 1323 + 63 = 1386
Step 23: 1386 + 63 = 1449
Step 24: 1449 + 63 = 1512
Step 25: 1512 + 63 = 1575
Step 26: 1575 + 63 = 1638
Step 27: 1638 + 63 = 1701
Step 28: 1701 + 63 = 1764
Step 29: 1764 + 63 = 1827
Step 30: 1827 + 63 = 1890
Step 31: 1890 + 63 = 1953
Step 32: 1953 + 63 = 2016
Step 33: 2016 + 63 = 2079
Step 34: 2079 + 63 = 2142
Step 35: 2142 + 63 = 2205
Step 36: 2205 + 63 = 2268
Step 37: 2268 + 63 = 2331
Step 38: 2331 + 63 = 2394
Step 39: 2394 + 63 = 2457
Step 40: 2457 + 63 = 2520
Step 41: 2520 + 63 = 2583
Step 42: 2583 + 63 = 2646
Step 43: 2646 + 63 = 2709
Step 44: 2709 + 63 = 2772
Step 45: 2772 + 63 = 2835
Step 46: 2835 + 63 = 2898
Step 47: 2898 + 63 = 2961
Step 48: 2961 + 63 = 3024
Step 49: 3024 + 63 = 3087
Step 50: 3087 + 63 = 3150
Step 51: 3150 + 63 = 3213
Step 52: 3213 + 63 = 3276
Step 53: 3276 + 63 = 3339
Step 54: 3339 + 63 = 3402
Step 55: 3402 + 63 = 3465
Step 56: 3465 + 63 = 3528
Step 57: 3528 + 63 = 3591
Step 58: 3591 + 63 = 3654
Step 59: 3654 + 63 = 3717
Step 60: 3717 + 63 = 3780
Step 61: 3780 + 63 = 3843
Step 62: 3843 + 63 = 3906
Step 63: 3906 + 63 = 3969
Step 64: 3969 + 63 = 4032
Step 65: 4032 + 63 = 4095
Step 66: 4095 + 63 = 4158
Step 67: 4158 + 63 = 4221
Step 68: 4221 + 63 = 4284
Step 69: 4284 + 63 = 4347
Step 70: 4347 + 63 = 4410
Step 71: 4410 + 63 = 4473
Step 72: 4473 + 63 = 4536
Step 73: 4536 + 63 = 4599
Step 74: 4599 + 63 = 4662
Step 75: 4662 + 63 = 4725
Step 76: 4725 + 63 = 4788
Step 77: 4788 + 63 = 4851
Step 78: 4851 + 63 = 4914
Step 79: 4914 + 63 = 4977
Step 80: 4977 + 63 = 5040
Step 81: 5040 + 63 = 5103
Step 82: 5103 + 63 = 5166
Step 83: 5166 + 63 = 5229
Step 84: 5229 + 63 = 5292
Step 85: 5292 + 63 = 5355
Step 86: 5355 + 63 = 5418
Step 87: 5418 + 63 = 5481
Step 88: 5481 + 63 = 5544
Step 89: 5544 + 63 = 5607
Step 90: 5607 + 63 = 5670
Step 91: 5670 + 63 = 5733
Step 92: 5733 + 63 = 5796
Step 93: 5796 + 63 = 5859
Step 94: 5859 + 63 = 5922
Step 95: 5922 + 63 = 5985
Step 96: 5985 + 63 = 6048
Step 97: 6048 + 63 = 6111
Step 98: 6111 + 63 = 6174
Step 99: 6174 + 63 = 6237
Step 100: 6237 + 63 = 6300
Step 101: 6300 + 63 = 6363
Step 102: 6363 + 63 = 6426
Step 103: 6426 + 63 = 6489
Step 104: 6489 + 63 = 6552
Step 105: 6552 + 63 = 6615
Step 106: 6615 + 63 = 6678
Step 107: 6678 + 63 = 6741
Step 108: 6741 + 63 = 6804
Step 109: 6804 + 63 = 6867
Step 110: 6867 + 63 = 6930
Step 111: 6930 + 63 = 6993
Step 112: 6993 + 63 = 7056
Step 113: 7056 + 63 = 7119
Step 114: 7119 + 63 = 7182
Step 115: 7182 + 63 = 7245
Step 116: 7245 + 63 = 7308
Step 117: 7308 + 63 = 7371
Step 118: 7371 + 63 = 7434
Step 119: 7434 + 63 = 7497
Step 120: 7497 + 63 = 7560
Step 121: 7560 + 63 = 7623
Step 122: 7623 + 63 = 7686
Step 123: 7686 + 63 = 7749
Step 124: 7749 + 63 = 7812
Step 125: 7812 + 63 = 7875
Step 126: 7875 + 63 = 7938
Step 127: 7938 + 63 = 8001

So, 63*127 = 8001