OK, let's work through this together. We're starting with 943 and we're going to multiply it by 170, which means we add 943 to itself 170 times.
Step 1: 0 + 943 = 943
Step 2: 943 + 943 = 1886
Step 3: 1886 + 943 = 2829
Step 4: 2829 + 943 = 3772
Step 5: 3772 + 943 = 4715
Step 6: 4715 + 943 = 5658
Step 7: 5658 + 943 = 6601
Step 8: 6601 + 943 = 7544
Step 9: 7544 + 943 = 8487
Step 10: 8487 + 943 = 9430
Step 11: 9430 + 943 = 10373
Step 12: 10373 + 943 = 11316
Step 13: 11316 + 943 = 12259
Step 14: 12259 + 943 = 13202
Step 15: 13202 + 943 = 14145
Step 16: 14145 + 943 = 15088
Step 17: 15088 + 943 = 16031
Step 18: 16031 + 943 = 16974
Step 19: 16974 + 943 = 17917
Step 20: 17917 + 943 = 18860
Step 21: 18860 + 943 = 19803
Step 22: 19803 + 943 = 20746
Step 23: 20746 + 943 = 21689
Step 24: 21689 + 943 = 22632
Step 25: 22632 + 943 = 23575
Step 26: 23575 + 943 = 24518
Step 27: 24518 + 943 = 25461
Step 28: 25461 + 943 = 26404
Step 29: 26404 + 943 = 27347
Step 30: 27347 + 943 = 28290
Step 31: 28290 + 943 = 29233
Step 32: 29233 + 943 = 30176
Step 33: 30176 + 943 = 31119
Step 34: 31119 + 943 = 32062
Step 35: 32062 + 943 = 33005
Step 36: 33005 + 943 = 33948
Step 37: 33948 + 943 = 34891
Step 38: 34891 + 943 = 35834
Step 39: 35834 + 943 = 36777
Step 40: 36777 + 943 = 37720
Step 41: 37720 + 943 = 38663
Step 42: 38663 + 943 = 39606
Step 43: 39606 + 943 = 40549
Step 44: 40549 + 943 = 41492
Step 45: 41492 + 943 = 42435
Step 46: 42435 + 943 = 43378
Step 47: 43378 + 943 = 44321
Step 48: 44321 + 943 = 45264
Step 49: 45264 + 943 = 46207
Step 50: 46207 + 943 = 47150
Step 51: 47150 + 943 = 48093
Step 52: 48093 + 943 = 49036
Step 53: 49036 + 943 = 49979
Step 54: 49979 + 943 = 50922
Step 55: 50922 + 943 = 51865
Step 56: 51865 + 943 = 52808
Step 57: 52808 + 943 = 53751
Step 58: 53751 + 943 = 54694
Step 59: 54694 + 943 = 55637
Step 60: 55637 + 943 = 56580
Step 61: 56580 + 943 = 57523
Step 62: 57523 + 943 = 58466
Step 63: 58466 + 943 = 59409
Step 64: 59409 + 943 = 60352
Step 65: 60352 + 943 = 61295
Step 66: 61295 + 943 = 62238
Step 67: 62238 + 943 = 63181
Step 68: 63181 + 943 = 64124
Step 69: 64124 + 943 = 65067
Step 70: 65067 + 943 = 66010
Step 71: 66010 + 943 = 66953
Step 72: 66953 + 943 = 67896
Step 73: 67896 + 943 = 68839
Step 74: 68839 + 943 = 69782
Step 75: 69782 + 943 = 70725
Step 76: 70725 + 943 = 71668
Step 77: 71668 + 943 = 72611
Step 78: 72611 + 943 = 73554
Step 79: 73554 + 943 = 74497
Step 80: 74497 + 943 = 75440
Step 81: 75440 + 943 = 76383
Step 82: 76383 + 943 = 77326
Step 83: 77326 + 943 = 78269
Step 84: 78269 + 943 = 79212
Step 85: 79212 + 943 = 80155
Step 86: 80155 + 943 = 81098
Step 87: 81098 + 943 = 82041
Step 88: 82041 + 943 = 82984
Step 89: 82984 + 943 = 83927
Step 90: 83927 + 943 = 84870
Step 91: 84870 + 943 = 85813
Step 92: 85813 + 943 = 86756
Step 93: 86756 + 943 = 87699
Step 94: 87699 + 943 = 88642
Step 95: 88642 + 943 = 89585
Step 96: 89585 + 943 = 90528
Step 97: 90528 + 943 = 91471
Step 98: 91471 + 943 = 92414
Step 99: 92414 + 943 = 93357
Step 100: 93357 + 943 = 94300
Step 101: 94300 + 943 = 95243
Step 102: 95243 + 943 = 96186
Step 103: 96186 + 943 = 97129
Step 104: 97129 + 943 = 98072
Step 105: 98072 + 943 = 99015
Step 106: 99015 + 943 = 99958
Step 107: 99958 + 943 = 100901
Step 108: 100901 + 943 = 101844
Step 109: 101844 + 943 = 102787
Step 110: 102787 + 943 = 103730
Step 111: 103730 + 943 = 104673
Step 112: 104673 + 943 = 105616
Step 113: 105616 + 943 = 106559
Step 114: 106559 + 943 = 107502
Step 115: 107502 + 943 = 108445
Step 116: 108445 + 943 = 109388
Step 117: 109388 + 943 = 110331
Step 118: 110331 + 943 = 111274
Step 119: 111274 + 943 = 112217
Step 120: 112217 + 943 = 113160
Step 121: 113160 + 943 = 114103
Step 122: 114103 + 943 = 115046
Step 123: 115046 + 943 = 115989
Step 124: 115989 + 943 = 116932
Step 125: 116932 + 943 = 117875
Step 126: 117875 + 943 = 118818
Step 127: 118818 + 943 = 119761
Step 128: 119761 + 943 = 120704
Step 129: 120704 + 943 = 121647
Step 130: 121647 + 943 = 122590
Step 131: 122590 + 943 = 123533
Step 132: 123533 + 943 = 124476
Step 133: 124476 + 943 = 125419
Step 134: 125419 + 943 = 126362
Step 135: 126362 + 943 = 127305
Step 136: 127305 + 943 = 128248
Step 137: 128248 + 943 = 129191
Step 138: 129191 + 943 = 130134
Step 139: 130134 + 943 = 131077
Step 140: 131077 + 943 = 132020
Step 141: 132020 + 943 = 132963
Step 142: 132963 + 943 = 133906
Step 143: 133906 + 943 = 134849
Step 144: 134849 + 943 = 135792
Step 145: 135792 + 943 = 136735
Step 146: 136735 + 943 = 137678
Step 147: 137678 + 943 = 138621
Step 148: 138621 + 943 = 139564
Step 149: 139564 + 943 = 140507
Step 150: 140507 + 943 = 141450
Step 151: 141450 + 943 = 142393
Step 152: 142393 + 943 = 143336
Step 153: 143336 + 943 = 144279
Step 154: 144279 + 943 = 145222
Step 155: 145222 + 943 = 146165
Step 156: 146165 + 943 = 147108
Step 157: 147108 + 943 = 148051
Step 158: 148051 + 943 = 148994
Step 159: 148994 + 943 = 149937
Step 160: 149937 + 943 = 150880
Step 161: 150880 + 943 = 151823
Step 162: 151823 + 943 = 152766
Step 163: 152766 + 943 = 153709
Step 164: 153709 + 943 = 154652
Step 165: 154652 + 943 = 155595
Step 166: 155595 + 943 = 156538
Step 167: 156538 + 943 = 157481
Step 168: 157481 + 943 = 158424
Step 169: 158424 + 943 = 159367
Step 170: 159367 + 943 = 160310

So, 943*170 = 160310