OK, let's crack this. We're given 97 and our task is to multiply it by 128. Essentially, we'll be adding 97 to itself 128 times.
Step 1: 0 + 97 = 97
Step 2: 97 + 97 = 194
Step 3: 194 + 97 = 291
Step 4: 291 + 97 = 388
Step 5: 388 + 97 = 485
Step 6: 485 + 97 = 582
Step 7: 582 + 97 = 679
Step 8: 679 + 97 = 776
Step 9: 776 + 97 = 873
Step 10: 873 + 97 = 970
Step 11: 970 + 97 = 1067
Step 12: 1067 + 97 = 1164
Step 13: 1164 + 97 = 1261
Step 14: 1261 + 97 = 1358
Step 15: 1358 + 97 = 1455
Step 16: 1455 + 97 = 1552
Step 17: 1552 + 97 = 1649
Step 18: 1649 + 97 = 1746
Step 19: 1746 + 97 = 1843
Step 20: 1843 + 97 = 1940
Step 21: 1940 + 97 = 2037
Step 22: 2037 + 97 = 2134
Step 23: 2134 + 97 = 2231
Step 24: 2231 + 97 = 2328
Step 25: 2328 + 97 = 2425
Step 26: 2425 + 97 = 2522
Step 27: 2522 + 97 = 2619
Step 28: 2619 + 97 = 2716
Step 29: 2716 + 97 = 2813
Step 30: 2813 + 97 = 2910
Step 31: 2910 + 97 = 3007
Step 32: 3007 + 97 = 3104
Step 33: 3104 + 97 = 3201
Step 34: 3201 + 97 = 3298
Step 35: 3298 + 97 = 3395
Step 36: 3395 + 97 = 3492
Step 37: 3492 + 97 = 3589
Step 38: 3589 + 97 = 3686
Step 39: 3686 + 97 = 3783
Step 40: 3783 + 97 = 3880
Step 41: 3880 + 97 = 3977
Step 42: 3977 + 97 = 4074
Step 43: 4074 + 97 = 4171
Step 44: 4171 + 97 = 4268
Step 45: 4268 + 97 = 4365
Step 46: 4365 + 97 = 4462
Step 47: 4462 + 97 = 4559
Step 48: 4559 + 97 = 4656
Step 49: 4656 + 97 = 4753
Step 50: 4753 + 97 = 4850
Step 51: 4850 + 97 = 4947
Step 52: 4947 + 97 = 5044
Step 53: 5044 + 97 = 5141
Step 54: 5141 + 97 = 5238
Step 55: 5238 + 97 = 5335
Step 56: 5335 + 97 = 5432
Step 57: 5432 + 97 = 5529
Step 58: 5529 + 97 = 5626
Step 59: 5626 + 97 = 5723
Step 60: 5723 + 97 = 5820
Step 61: 5820 + 97 = 5917
Step 62: 5917 + 97 = 6014
Step 63: 6014 + 97 = 6111
Step 64: 6111 + 97 = 6208
Step 65: 6208 + 97 = 6305
Step 66: 6305 + 97 = 6402
Step 67: 6402 + 97 = 6499
Step 68: 6499 + 97 = 6596
Step 69: 6596 + 97 = 6693
Step 70: 6693 + 97 = 6790
Step 71: 6790 + 97 = 6887
Step 72: 6887 + 97 = 6984
Step 73: 6984 + 97 = 7081
Step 74: 7081 + 97 = 7178
Step 75: 7178 + 97 = 7275
Step 76: 7275 + 97 = 7372
Step 77: 7372 + 97 = 7469
Step 78: 7469 + 97 = 7566
Step 79: 7566 + 97 = 7663
Step 80: 7663 + 97 = 7760
Step 81: 7760 + 97 = 7857
Step 82: 7857 + 97 = 7954
Step 83: 7954 + 97 = 8051
Step 84: 8051 + 97 = 8148
Step 85: 8148 + 97 = 8245
Step 86: 8245 + 97 = 8342
Step 87: 8342 + 97 = 8439
Step 88: 8439 + 97 = 8536
Step 89: 8536 + 97 = 8633
Step 90: 8633 + 97 = 8730
Step 91: 8730 + 97 = 8827
Step 92: 8827 + 97 = 8924
Step 93: 8924 + 97 = 9021
Step 94: 9021 + 97 = 9118
Step 95: 9118 + 97 = 9215
Step 96: 9215 + 97 = 9312
Step 97: 9312 + 97 = 9409
Step 98: 9409 + 97 = 9506
Step 99: 9506 + 97 = 9603
Step 100: 9603 + 97 = 9700
Step 101: 9700 + 97 = 9797
Step 102: 9797 + 97 = 9894
Step 103: 9894 + 97 = 9991
Step 104: 9991 + 97 = 10088
Step 105: 10088 + 97 = 10185
Step 106: 10185 + 97 = 10282
Step 107: 10282 + 97 = 10379
Step 108: 10379 + 97 = 10476
Step 109: 10476 + 97 = 10573
Step 110: 10573 + 97 = 10670
Step 111: 10670 + 97 = 10767
Step 112: 10767 + 97 = 10864
Step 113: 10864 + 97 = 10961
Step 114: 10961 + 97 = 11058
Step 115: 11058 + 97 = 11155
Step 116: 11155 + 97 = 11252
Step 117: 11252 + 97 = 11349
Step 118: 11349 + 97 = 11446
Step 119: 11446 + 97 = 11543
Step 120: 11543 + 97 = 11640
Step 121: 11640 + 97 = 11737
Step 122: 11737 + 97 = 11834
Step 123: 11834 + 97 = 11931
Step 124: 11931 + 97 = 12028
Step 125: 12028 + 97 = 12125
Step 126: 12125 + 97 = 12222
Step 127: 12222 + 97 = 12319
Step 128: 12319 + 97 = 12416

So, 97*128 = 12416