Let's get this math done. We have 663 and we're going to multiply it by 163. This is the same as taking 663 and adding it to itself 163 times.
Step 1: 0 + 663 = 663
Step 2: 663 + 663 = 1326
Step 3: 1326 + 663 = 1989
Step 4: 1989 + 663 = 2652
Step 5: 2652 + 663 = 3315
Step 6: 3315 + 663 = 3978
Step 7: 3978 + 663 = 4641
Step 8: 4641 + 663 = 5304
Step 9: 5304 + 663 = 5967
Step 10: 5967 + 663 = 6630
Step 11: 6630 + 663 = 7293
Step 12: 7293 + 663 = 7956
Step 13: 7956 + 663 = 8619
Step 14: 8619 + 663 = 9282
Step 15: 9282 + 663 = 9945
Step 16: 9945 + 663 = 10608
Step 17: 10608 + 663 = 11271
Step 18: 11271 + 663 = 11934
Step 19: 11934 + 663 = 12597
Step 20: 12597 + 663 = 13260
Step 21: 13260 + 663 = 13923
Step 22: 13923 + 663 = 14586
Step 23: 14586 + 663 = 15249
Step 24: 15249 + 663 = 15912
Step 25: 15912 + 663 = 16575
Step 26: 16575 + 663 = 17238
Step 27: 17238 + 663 = 17901
Step 28: 17901 + 663 = 18564
Step 29: 18564 + 663 = 19227
Step 30: 19227 + 663 = 19890
Step 31: 19890 + 663 = 20553
Step 32: 20553 + 663 = 21216
Step 33: 21216 + 663 = 21879
Step 34: 21879 + 663 = 22542
Step 35: 22542 + 663 = 23205
Step 36: 23205 + 663 = 23868
Step 37: 23868 + 663 = 24531
Step 38: 24531 + 663 = 25194
Step 39: 25194 + 663 = 25857
Step 40: 25857 + 663 = 26520
Step 41: 26520 + 663 = 27183
Step 42: 27183 + 663 = 27846
Step 43: 27846 + 663 = 28509
Step 44: 28509 + 663 = 29172
Step 45: 29172 + 663 = 29835
Step 46: 29835 + 663 = 30498
Step 47: 30498 + 663 = 31161
Step 48: 31161 + 663 = 31824
Step 49: 31824 + 663 = 32487
Step 50: 32487 + 663 = 33150
Step 51: 33150 + 663 = 33813
Step 52: 33813 + 663 = 34476
Step 53: 34476 + 663 = 35139
Step 54: 35139 + 663 = 35802
Step 55: 35802 + 663 = 36465
Step 56: 36465 + 663 = 37128
Step 57: 37128 + 663 = 37791
Step 58: 37791 + 663 = 38454
Step 59: 38454 + 663 = 39117
Step 60: 39117 + 663 = 39780
Step 61: 39780 + 663 = 40443
Step 62: 40443 + 663 = 41106
Step 63: 41106 + 663 = 41769
Step 64: 41769 + 663 = 42432
Step 65: 42432 + 663 = 43095
Step 66: 43095 + 663 = 43758
Step 67: 43758 + 663 = 44421
Step 68: 44421 + 663 = 45084
Step 69: 45084 + 663 = 45747
Step 70: 45747 + 663 = 46410
Step 71: 46410 + 663 = 47073
Step 72: 47073 + 663 = 47736
Step 73: 47736 + 663 = 48399
Step 74: 48399 + 663 = 49062
Step 75: 49062 + 663 = 49725
Step 76: 49725 + 663 = 50388
Step 77: 50388 + 663 = 51051
Step 78: 51051 + 663 = 51714
Step 79: 51714 + 663 = 52377
Step 80: 52377 + 663 = 53040
Step 81: 53040 + 663 = 53703
Step 82: 53703 + 663 = 54366
Step 83: 54366 + 663 = 55029
Step 84: 55029 + 663 = 55692
Step 85: 55692 + 663 = 56355
Step 86: 56355 + 663 = 57018
Step 87: 57018 + 663 = 57681
Step 88: 57681 + 663 = 58344
Step 89: 58344 + 663 = 59007
Step 90: 59007 + 663 = 59670
Step 91: 59670 + 663 = 60333
Step 92: 60333 + 663 = 60996
Step 93: 60996 + 663 = 61659
Step 94: 61659 + 663 = 62322
Step 95: 62322 + 663 = 62985
Step 96: 62985 + 663 = 63648
Step 97: 63648 + 663 = 64311
Step 98: 64311 + 663 = 64974
Step 99: 64974 + 663 = 65637
Step 100: 65637 + 663 = 66300
Step 101: 66300 + 663 = 66963
Step 102: 66963 + 663 = 67626
Step 103: 67626 + 663 = 68289
Step 104: 68289 + 663 = 68952
Step 105: 68952 + 663 = 69615
Step 106: 69615 + 663 = 70278
Step 107: 70278 + 663 = 70941
Step 108: 70941 + 663 = 71604
Step 109: 71604 + 663 = 72267
Step 110: 72267 + 663 = 72930
Step 111: 72930 + 663 = 73593
Step 112: 73593 + 663 = 74256
Step 113: 74256 + 663 = 74919
Step 114: 74919 + 663 = 75582
Step 115: 75582 + 663 = 76245
Step 116: 76245 + 663 = 76908
Step 117: 76908 + 663 = 77571
Step 118: 77571 + 663 = 78234
Step 119: 78234 + 663 = 78897
Step 120: 78897 + 663 = 79560
Step 121: 79560 + 663 = 80223
Step 122: 80223 + 663 = 80886
Step 123: 80886 + 663 = 81549
Step 124: 81549 + 663 = 82212
Step 125: 82212 + 663 = 82875
Step 126: 82875 + 663 = 83538
Step 127: 83538 + 663 = 84201
Step 128: 84201 + 663 = 84864
Step 129: 84864 + 663 = 85527
Step 130: 85527 + 663 = 86190
Step 131: 86190 + 663 = 86853
Step 132: 86853 + 663 = 87516
Step 133: 87516 + 663 = 88179
Step 134: 88179 + 663 = 88842
Step 135: 88842 + 663 = 89505
Step 136: 89505 + 663 = 90168
Step 137: 90168 + 663 = 90831
Step 138: 90831 + 663 = 91494
Step 139: 91494 + 663 = 92157
Step 140: 92157 + 663 = 92820
Step 141: 92820 + 663 = 93483
Step 142: 93483 + 663 = 94146
Step 143: 94146 + 663 = 94809
Step 144: 94809 + 663 = 95472
Step 145: 95472 + 663 = 96135
Step 146: 96135 + 663 = 96798
Step 147: 96798 + 663 = 97461
Step 148: 97461 + 663 = 98124
Step 149: 98124 + 663 = 98787
Step 150: 98787 + 663 = 99450
Step 151: 99450 + 663 = 100113
Step 152: 100113 + 663 = 100776
Step 153: 100776 + 663 = 101439
Step 154: 101439 + 663 = 102102
Step 155: 102102 + 663 = 102765
Step 156: 102765 + 663 = 103428
Step 157: 103428 + 663 = 104091
Step 158: 104091 + 663 = 104754
Step 159: 104754 + 663 = 105417
Step 160: 105417 + 663 = 106080
Step 161: 106080 + 663 = 106743
Step 162: 106743 + 663 = 107406
Step 163: 107406 + 663 = 108069

So, 663*163 = 108069