Let's get this math done. We have 748 and we're going to multiply it by 109. This is the same as taking 748 and adding it to itself 109 times.
Step 1: 0 + 748 = 748
Step 2: 748 + 748 = 1496
Step 3: 1496 + 748 = 2244
Step 4: 2244 + 748 = 2992
Step 5: 2992 + 748 = 3740
Step 6: 3740 + 748 = 4488
Step 7: 4488 + 748 = 5236
Step 8: 5236 + 748 = 5984
Step 9: 5984 + 748 = 6732
Step 10: 6732 + 748 = 7480
Step 11: 7480 + 748 = 8228
Step 12: 8228 + 748 = 8976
Step 13: 8976 + 748 = 9724
Step 14: 9724 + 748 = 10472
Step 15: 10472 + 748 = 11220
Step 16: 11220 + 748 = 11968
Step 17: 11968 + 748 = 12716
Step 18: 12716 + 748 = 13464
Step 19: 13464 + 748 = 14212
Step 20: 14212 + 748 = 14960
Step 21: 14960 + 748 = 15708
Step 22: 15708 + 748 = 16456
Step 23: 16456 + 748 = 17204
Step 24: 17204 + 748 = 17952
Step 25: 17952 + 748 = 18700
Step 26: 18700 + 748 = 19448
Step 27: 19448 + 748 = 20196
Step 28: 20196 + 748 = 20944
Step 29: 20944 + 748 = 21692
Step 30: 21692 + 748 = 22440
Step 31: 22440 + 748 = 23188
Step 32: 23188 + 748 = 23936
Step 33: 23936 + 748 = 24684
Step 34: 24684 + 748 = 25432
Step 35: 25432 + 748 = 26180
Step 36: 26180 + 748 = 26928
Step 37: 26928 + 748 = 27676
Step 38: 27676 + 748 = 28424
Step 39: 28424 + 748 = 29172
Step 40: 29172 + 748 = 29920
Step 41: 29920 + 748 = 30668
Step 42: 30668 + 748 = 31416
Step 43: 31416 + 748 = 32164
Step 44: 32164 + 748 = 32912
Step 45: 32912 + 748 = 33660
Step 46: 33660 + 748 = 34408
Step 47: 34408 + 748 = 35156
Step 48: 35156 + 748 = 35904
Step 49: 35904 + 748 = 36652
Step 50: 36652 + 748 = 37400
Step 51: 37400 + 748 = 38148
Step 52: 38148 + 748 = 38896
Step 53: 38896 + 748 = 39644
Step 54: 39644 + 748 = 40392
Step 55: 40392 + 748 = 41140
Step 56: 41140 + 748 = 41888
Step 57: 41888 + 748 = 42636
Step 58: 42636 + 748 = 43384
Step 59: 43384 + 748 = 44132
Step 60: 44132 + 748 = 44880
Step 61: 44880 + 748 = 45628
Step 62: 45628 + 748 = 46376
Step 63: 46376 + 748 = 47124
Step 64: 47124 + 748 = 47872
Step 65: 47872 + 748 = 48620
Step 66: 48620 + 748 = 49368
Step 67: 49368 + 748 = 50116
Step 68: 50116 + 748 = 50864
Step 69: 50864 + 748 = 51612
Step 70: 51612 + 748 = 52360
Step 71: 52360 + 748 = 53108
Step 72: 53108 + 748 = 53856
Step 73: 53856 + 748 = 54604
Step 74: 54604 + 748 = 55352
Step 75: 55352 + 748 = 56100
Step 76: 56100 + 748 = 56848
Step 77: 56848 + 748 = 57596
Step 78: 57596 + 748 = 58344
Step 79: 58344 + 748 = 59092
Step 80: 59092 + 748 = 59840
Step 81: 59840 + 748 = 60588
Step 82: 60588 + 748 = 61336
Step 83: 61336 + 748 = 62084
Step 84: 62084 + 748 = 62832
Step 85: 62832 + 748 = 63580
Step 86: 63580 + 748 = 64328
Step 87: 64328 + 748 = 65076
Step 88: 65076 + 748 = 65824
Step 89: 65824 + 748 = 66572
Step 90: 66572 + 748 = 67320
Step 91: 67320 + 748 = 68068
Step 92: 68068 + 748 = 68816
Step 93: 68816 + 748 = 69564
Step 94: 69564 + 748 = 70312
Step 95: 70312 + 748 = 71060
Step 96: 71060 + 748 = 71808
Step 97: 71808 + 748 = 72556
Step 98: 72556 + 748 = 73304
Step 99: 73304 + 748 = 74052
Step 100: 74052 + 748 = 74800
Step 101: 74800 + 748 = 75548
Step 102: 75548 + 748 = 76296
Step 103: 76296 + 748 = 77044
Step 104: 77044 + 748 = 77792
Step 105: 77792 + 748 = 78540
Step 106: 78540 + 748 = 79288
Step 107: 79288 + 748 = 80036
Step 108: 80036 + 748 = 80784
Step 109: 80784 + 748 = 81532

So, 748*109 = 81532