Sure thing, let's get straight to it. We start with 817 and we're going to multiply it by 220, which means adding 817 to itself 220 times.
Step 1: 0 + 817 = 817
Step 2: 817 + 817 = 1634
Step 3: 1634 + 817 = 2451
Step 4: 2451 + 817 = 3268
Step 5: 3268 + 817 = 4085
Step 6: 4085 + 817 = 4902
Step 7: 4902 + 817 = 5719
Step 8: 5719 + 817 = 6536
Step 9: 6536 + 817 = 7353
Step 10: 7353 + 817 = 8170
Step 11: 8170 + 817 = 8987
Step 12: 8987 + 817 = 9804
Step 13: 9804 + 817 = 10621
Step 14: 10621 + 817 = 11438
Step 15: 11438 + 817 = 12255
Step 16: 12255 + 817 = 13072
Step 17: 13072 + 817 = 13889
Step 18: 13889 + 817 = 14706
Step 19: 14706 + 817 = 15523
Step 20: 15523 + 817 = 16340
Step 21: 16340 + 817 = 17157
Step 22: 17157 + 817 = 17974
Step 23: 17974 + 817 = 18791
Step 24: 18791 + 817 = 19608
Step 25: 19608 + 817 = 20425
Step 26: 20425 + 817 = 21242
Step 27: 21242 + 817 = 22059
Step 28: 22059 + 817 = 22876
Step 29: 22876 + 817 = 23693
Step 30: 23693 + 817 = 24510
Step 31: 24510 + 817 = 25327
Step 32: 25327 + 817 = 26144
Step 33: 26144 + 817 = 26961
Step 34: 26961 + 817 = 27778
Step 35: 27778 + 817 = 28595
Step 36: 28595 + 817 = 29412
Step 37: 29412 + 817 = 30229
Step 38: 30229 + 817 = 31046
Step 39: 31046 + 817 = 31863
Step 40: 31863 + 817 = 32680
Step 41: 32680 + 817 = 33497
Step 42: 33497 + 817 = 34314
Step 43: 34314 + 817 = 35131
Step 44: 35131 + 817 = 35948
Step 45: 35948 + 817 = 36765
Step 46: 36765 + 817 = 37582
Step 47: 37582 + 817 = 38399
Step 48: 38399 + 817 = 39216
Step 49: 39216 + 817 = 40033
Step 50: 40033 + 817 = 40850
Step 51: 40850 + 817 = 41667
Step 52: 41667 + 817 = 42484
Step 53: 42484 + 817 = 43301
Step 54: 43301 + 817 = 44118
Step 55: 44118 + 817 = 44935
Step 56: 44935 + 817 = 45752
Step 57: 45752 + 817 = 46569
Step 58: 46569 + 817 = 47386
Step 59: 47386 + 817 = 48203
Step 60: 48203 + 817 = 49020
Step 61: 49020 + 817 = 49837
Step 62: 49837 + 817 = 50654
Step 63: 50654 + 817 = 51471
Step 64: 51471 + 817 = 52288
Step 65: 52288 + 817 = 53105
Step 66: 53105 + 817 = 53922
Step 67: 53922 + 817 = 54739
Step 68: 54739 + 817 = 55556
Step 69: 55556 + 817 = 56373
Step 70: 56373 + 817 = 57190
Step 71: 57190 + 817 = 58007
Step 72: 58007 + 817 = 58824
Step 73: 58824 + 817 = 59641
Step 74: 59641 + 817 = 60458
Step 75: 60458 + 817 = 61275
Step 76: 61275 + 817 = 62092
Step 77: 62092 + 817 = 62909
Step 78: 62909 + 817 = 63726
Step 79: 63726 + 817 = 64543
Step 80: 64543 + 817 = 65360
Step 81: 65360 + 817 = 66177
Step 82: 66177 + 817 = 66994
Step 83: 66994 + 817 = 67811
Step 84: 67811 + 817 = 68628
Step 85: 68628 + 817 = 69445
Step 86: 69445 + 817 = 70262
Step 87: 70262 + 817 = 71079
Step 88: 71079 + 817 = 71896
Step 89: 71896 + 817 = 72713
Step 90: 72713 + 817 = 73530
Step 91: 73530 + 817 = 74347
Step 92: 74347 + 817 = 75164
Step 93: 75164 + 817 = 75981
Step 94: 75981 + 817 = 76798
Step 95: 76798 + 817 = 77615
Step 96: 77615 + 817 = 78432
Step 97: 78432 + 817 = 79249
Step 98: 79249 + 817 = 80066
Step 99: 80066 + 817 = 80883
Step 100: 80883 + 817 = 81700
Step 101: 81700 + 817 = 82517
Step 102: 82517 + 817 = 83334
Step 103: 83334 + 817 = 84151
Step 104: 84151 + 817 = 84968
Step 105: 84968 + 817 = 85785
Step 106: 85785 + 817 = 86602
Step 107: 86602 + 817 = 87419
Step 108: 87419 + 817 = 88236
Step 109: 88236 + 817 = 89053
Step 110: 89053 + 817 = 89870
Step 111: 89870 + 817 = 90687
Step 112: 90687 + 817 = 91504
Step 113: 91504 + 817 = 92321
Step 114: 92321 + 817 = 93138
Step 115: 93138 + 817 = 93955
Step 116: 93955 + 817 = 94772
Step 117: 94772 + 817 = 95589
Step 118: 95589 + 817 = 96406
Step 119: 96406 + 817 = 97223
Step 120: 97223 + 817 = 98040
Step 121: 98040 + 817 = 98857
Step 122: 98857 + 817 = 99674
Step 123: 99674 + 817 = 100491
Step 124: 100491 + 817 = 101308
Step 125: 101308 + 817 = 102125
Step 126: 102125 + 817 = 102942
Step 127: 102942 + 817 = 103759
Step 128: 103759 + 817 = 104576
Step 129: 104576 + 817 = 105393
Step 130: 105393 + 817 = 106210
Step 131: 106210 + 817 = 107027
Step 132: 107027 + 817 = 107844
Step 133: 107844 + 817 = 108661
Step 134: 108661 + 817 = 109478
Step 135: 109478 + 817 = 110295
Step 136: 110295 + 817 = 111112
Step 137: 111112 + 817 = 111929
Step 138: 111929 + 817 = 112746
Step 139: 112746 + 817 = 113563
Step 140: 113563 + 817 = 114380
Step 141: 114380 + 817 = 115197
Step 142: 115197 + 817 = 116014
Step 143: 116014 + 817 = 116831
Step 144: 116831 + 817 = 117648
Step 145: 117648 + 817 = 118465
Step 146: 118465 + 817 = 119282
Step 147: 119282 + 817 = 120099
Step 148: 120099 + 817 = 120916
Step 149: 120916 + 817 = 121733
Step 150: 121733 + 817 = 122550
Step 151: 122550 + 817 = 123367
Step 152: 123367 + 817 = 124184
Step 153: 124184 + 817 = 125001
Step 154: 125001 + 817 = 125818
Step 155: 125818 + 817 = 126635
Step 156: 126635 + 817 = 127452
Step 157: 127452 + 817 = 128269
Step 158: 128269 + 817 = 129086
Step 159: 129086 + 817 = 129903
Step 160: 129903 + 817 = 130720
Step 161: 130720 + 817 = 131537
Step 162: 131537 + 817 = 132354
Step 163: 132354 + 817 = 133171
Step 164: 133171 + 817 = 133988
Step 165: 133988 + 817 = 134805
Step 166: 134805 + 817 = 135622
Step 167: 135622 + 817 = 136439
Step 168: 136439 + 817 = 137256
Step 169: 137256 + 817 = 138073
Step 170: 138073 + 817 = 138890
Step 171: 138890 + 817 = 139707
Step 172: 139707 + 817 = 140524
Step 173: 140524 + 817 = 141341
Step 174: 141341 + 817 = 142158
Step 175: 142158 + 817 = 142975
Step 176: 142975 + 817 = 143792
Step 177: 143792 + 817 = 144609
Step 178: 144609 + 817 = 145426
Step 179: 145426 + 817 = 146243
Step 180: 146243 + 817 = 147060
Step 181: 147060 + 817 = 147877
Step 182: 147877 + 817 = 148694
Step 183: 148694 + 817 = 149511
Step 184: 149511 + 817 = 150328
Step 185: 150328 + 817 = 151145
Step 186: 151145 + 817 = 151962
Step 187: 151962 + 817 = 152779
Step 188: 152779 + 817 = 153596
Step 189: 153596 + 817 = 154413
Step 190: 154413 + 817 = 155230
Step 191: 155230 + 817 = 156047
Step 192: 156047 + 817 = 156864
Step 193: 156864 + 817 = 157681
Step 194: 157681 + 817 = 158498
Step 195: 158498 + 817 = 159315
Step 196: 159315 + 817 = 160132
Step 197: 160132 + 817 = 160949
Step 198: 160949 + 817 = 161766
Step 199: 161766 + 817 = 162583
Step 200: 162583 + 817 = 163400
Step 201: 163400 + 817 = 164217
Step 202: 164217 + 817 = 165034
Step 203: 165034 + 817 = 165851
Step 204: 165851 + 817 = 166668
Step 205: 166668 + 817 = 167485
Step 206: 167485 + 817 = 168302
Step 207: 168302 + 817 = 169119
Step 208: 169119 + 817 = 169936
Step 209: 169936 + 817 = 170753
Step 210: 170753 + 817 = 171570
Step 211: 171570 + 817 = 172387
Step 212: 172387 + 817 = 173204
Step 213: 173204 + 817 = 174021
Step 214: 174021 + 817 = 174838
Step 215: 174838 + 817 = 175655
Step 216: 175655 + 817 = 176472
Step 217: 176472 + 817 = 177289
Step 218: 177289 + 817 = 178106
Step 219: 178106 + 817 = 178923
Step 220: 178923 + 817 = 179740

So, 817*220 = 179740