Sure thing! We've got 203 and we're gonna multiply it by 125. That's the same as adding 203 to itself 125 times.
Step 1: 0 + 203 = 203
Step 2: 203 + 203 = 406
Step 3: 406 + 203 = 609
Step 4: 609 + 203 = 812
Step 5: 812 + 203 = 1015
Step 6: 1015 + 203 = 1218
Step 7: 1218 + 203 = 1421
Step 8: 1421 + 203 = 1624
Step 9: 1624 + 203 = 1827
Step 10: 1827 + 203 = 2030
Step 11: 2030 + 203 = 2233
Step 12: 2233 + 203 = 2436
Step 13: 2436 + 203 = 2639
Step 14: 2639 + 203 = 2842
Step 15: 2842 + 203 = 3045
Step 16: 3045 + 203 = 3248
Step 17: 3248 + 203 = 3451
Step 18: 3451 + 203 = 3654
Step 19: 3654 + 203 = 3857
Step 20: 3857 + 203 = 4060
Step 21: 4060 + 203 = 4263
Step 22: 4263 + 203 = 4466
Step 23: 4466 + 203 = 4669
Step 24: 4669 + 203 = 4872
Step 25: 4872 + 203 = 5075
Step 26: 5075 + 203 = 5278
Step 27: 5278 + 203 = 5481
Step 28: 5481 + 203 = 5684
Step 29: 5684 + 203 = 5887
Step 30: 5887 + 203 = 6090
Step 31: 6090 + 203 = 6293
Step 32: 6293 + 203 = 6496
Step 33: 6496 + 203 = 6699
Step 34: 6699 + 203 = 6902
Step 35: 6902 + 203 = 7105
Step 36: 7105 + 203 = 7308
Step 37: 7308 + 203 = 7511
Step 38: 7511 + 203 = 7714
Step 39: 7714 + 203 = 7917
Step 40: 7917 + 203 = 8120
Step 41: 8120 + 203 = 8323
Step 42: 8323 + 203 = 8526
Step 43: 8526 + 203 = 8729
Step 44: 8729 + 203 = 8932
Step 45: 8932 + 203 = 9135
Step 46: 9135 + 203 = 9338
Step 47: 9338 + 203 = 9541
Step 48: 9541 + 203 = 9744
Step 49: 9744 + 203 = 9947
Step 50: 9947 + 203 = 10150
Step 51: 10150 + 203 = 10353
Step 52: 10353 + 203 = 10556
Step 53: 10556 + 203 = 10759
Step 54: 10759 + 203 = 10962
Step 55: 10962 + 203 = 11165
Step 56: 11165 + 203 = 11368
Step 57: 11368 + 203 = 11571
Step 58: 11571 + 203 = 11774
Step 59: 11774 + 203 = 11977
Step 60: 11977 + 203 = 12180
Step 61: 12180 + 203 = 12383
Step 62: 12383 + 203 = 12586
Step 63: 12586 + 203 = 12789
Step 64: 12789 + 203 = 12992
Step 65: 12992 + 203 = 13195
Step 66: 13195 + 203 = 13398
Step 67: 13398 + 203 = 13601
Step 68: 13601 + 203 = 13804
Step 69: 13804 + 203 = 14007
Step 70: 14007 + 203 = 14210
Step 71: 14210 + 203 = 14413
Step 72: 14413 + 203 = 14616
Step 73: 14616 + 203 = 14819
Step 74: 14819 + 203 = 15022
Step 75: 15022 + 203 = 15225
Step 76: 15225 + 203 = 15428
Step 77: 15428 + 203 = 15631
Step 78: 15631 + 203 = 15834
Step 79: 15834 + 203 = 16037
Step 80: 16037 + 203 = 16240
Step 81: 16240 + 203 = 16443
Step 82: 16443 + 203 = 16646
Step 83: 16646 + 203 = 16849
Step 84: 16849 + 203 = 17052
Step 85: 17052 + 203 = 17255
Step 86: 17255 + 203 = 17458
Step 87: 17458 + 203 = 17661
Step 88: 17661 + 203 = 17864
Step 89: 17864 + 203 = 18067
Step 90: 18067 + 203 = 18270
Step 91: 18270 + 203 = 18473
Step 92: 18473 + 203 = 18676
Step 93: 18676 + 203 = 18879
Step 94: 18879 + 203 = 19082
Step 95: 19082 + 203 = 19285
Step 96: 19285 + 203 = 19488
Step 97: 19488 + 203 = 19691
Step 98: 19691 + 203 = 19894
Step 99: 19894 + 203 = 20097
Step 100: 20097 + 203 = 20300
Step 101: 20300 + 203 = 20503
Step 102: 20503 + 203 = 20706
Step 103: 20706 + 203 = 20909
Step 104: 20909 + 203 = 21112
Step 105: 21112 + 203 = 21315
Step 106: 21315 + 203 = 21518
Step 107: 21518 + 203 = 21721
Step 108: 21721 + 203 = 21924
Step 109: 21924 + 203 = 22127
Step 110: 22127 + 203 = 22330
Step 111: 22330 + 203 = 22533
Step 112: 22533 + 203 = 22736
Step 113: 22736 + 203 = 22939
Step 114: 22939 + 203 = 23142
Step 115: 23142 + 203 = 23345
Step 116: 23345 + 203 = 23548
Step 117: 23548 + 203 = 23751
Step 118: 23751 + 203 = 23954
Step 119: 23954 + 203 = 24157
Step 120: 24157 + 203 = 24360
Step 121: 24360 + 203 = 24563
Step 122: 24563 + 203 = 24766
Step 123: 24766 + 203 = 24969
Step 124: 24969 + 203 = 25172
Step 125: 25172 + 203 = 25375

So, 203*125 = 25375