Let's roll up our sleeves and solve this. We have 839 and we're going to multiply it by 193, essentially adding 839 to itself 193 times.
Step 1: 0 + 839 = 839
Step 2: 839 + 839 = 1678
Step 3: 1678 + 839 = 2517
Step 4: 2517 + 839 = 3356
Step 5: 3356 + 839 = 4195
Step 6: 4195 + 839 = 5034
Step 7: 5034 + 839 = 5873
Step 8: 5873 + 839 = 6712
Step 9: 6712 + 839 = 7551
Step 10: 7551 + 839 = 8390
Step 11: 8390 + 839 = 9229
Step 12: 9229 + 839 = 10068
Step 13: 10068 + 839 = 10907
Step 14: 10907 + 839 = 11746
Step 15: 11746 + 839 = 12585
Step 16: 12585 + 839 = 13424
Step 17: 13424 + 839 = 14263
Step 18: 14263 + 839 = 15102
Step 19: 15102 + 839 = 15941
Step 20: 15941 + 839 = 16780
Step 21: 16780 + 839 = 17619
Step 22: 17619 + 839 = 18458
Step 23: 18458 + 839 = 19297
Step 24: 19297 + 839 = 20136
Step 25: 20136 + 839 = 20975
Step 26: 20975 + 839 = 21814
Step 27: 21814 + 839 = 22653
Step 28: 22653 + 839 = 23492
Step 29: 23492 + 839 = 24331
Step 30: 24331 + 839 = 25170
Step 31: 25170 + 839 = 26009
Step 32: 26009 + 839 = 26848
Step 33: 26848 + 839 = 27687
Step 34: 27687 + 839 = 28526
Step 35: 28526 + 839 = 29365
Step 36: 29365 + 839 = 30204
Step 37: 30204 + 839 = 31043
Step 38: 31043 + 839 = 31882
Step 39: 31882 + 839 = 32721
Step 40: 32721 + 839 = 33560
Step 41: 33560 + 839 = 34399
Step 42: 34399 + 839 = 35238
Step 43: 35238 + 839 = 36077
Step 44: 36077 + 839 = 36916
Step 45: 36916 + 839 = 37755
Step 46: 37755 + 839 = 38594
Step 47: 38594 + 839 = 39433
Step 48: 39433 + 839 = 40272
Step 49: 40272 + 839 = 41111
Step 50: 41111 + 839 = 41950
Step 51: 41950 + 839 = 42789
Step 52: 42789 + 839 = 43628
Step 53: 43628 + 839 = 44467
Step 54: 44467 + 839 = 45306
Step 55: 45306 + 839 = 46145
Step 56: 46145 + 839 = 46984
Step 57: 46984 + 839 = 47823
Step 58: 47823 + 839 = 48662
Step 59: 48662 + 839 = 49501
Step 60: 49501 + 839 = 50340
Step 61: 50340 + 839 = 51179
Step 62: 51179 + 839 = 52018
Step 63: 52018 + 839 = 52857
Step 64: 52857 + 839 = 53696
Step 65: 53696 + 839 = 54535
Step 66: 54535 + 839 = 55374
Step 67: 55374 + 839 = 56213
Step 68: 56213 + 839 = 57052
Step 69: 57052 + 839 = 57891
Step 70: 57891 + 839 = 58730
Step 71: 58730 + 839 = 59569
Step 72: 59569 + 839 = 60408
Step 73: 60408 + 839 = 61247
Step 74: 61247 + 839 = 62086
Step 75: 62086 + 839 = 62925
Step 76: 62925 + 839 = 63764
Step 77: 63764 + 839 = 64603
Step 78: 64603 + 839 = 65442
Step 79: 65442 + 839 = 66281
Step 80: 66281 + 839 = 67120
Step 81: 67120 + 839 = 67959
Step 82: 67959 + 839 = 68798
Step 83: 68798 + 839 = 69637
Step 84: 69637 + 839 = 70476
Step 85: 70476 + 839 = 71315
Step 86: 71315 + 839 = 72154
Step 87: 72154 + 839 = 72993
Step 88: 72993 + 839 = 73832
Step 89: 73832 + 839 = 74671
Step 90: 74671 + 839 = 75510
Step 91: 75510 + 839 = 76349
Step 92: 76349 + 839 = 77188
Step 93: 77188 + 839 = 78027
Step 94: 78027 + 839 = 78866
Step 95: 78866 + 839 = 79705
Step 96: 79705 + 839 = 80544
Step 97: 80544 + 839 = 81383
Step 98: 81383 + 839 = 82222
Step 99: 82222 + 839 = 83061
Step 100: 83061 + 839 = 83900
Step 101: 83900 + 839 = 84739
Step 102: 84739 + 839 = 85578
Step 103: 85578 + 839 = 86417
Step 104: 86417 + 839 = 87256
Step 105: 87256 + 839 = 88095
Step 106: 88095 + 839 = 88934
Step 107: 88934 + 839 = 89773
Step 108: 89773 + 839 = 90612
Step 109: 90612 + 839 = 91451
Step 110: 91451 + 839 = 92290
Step 111: 92290 + 839 = 93129
Step 112: 93129 + 839 = 93968
Step 113: 93968 + 839 = 94807
Step 114: 94807 + 839 = 95646
Step 115: 95646 + 839 = 96485
Step 116: 96485 + 839 = 97324
Step 117: 97324 + 839 = 98163
Step 118: 98163 + 839 = 99002
Step 119: 99002 + 839 = 99841
Step 120: 99841 + 839 = 100680
Step 121: 100680 + 839 = 101519
Step 122: 101519 + 839 = 102358
Step 123: 102358 + 839 = 103197
Step 124: 103197 + 839 = 104036
Step 125: 104036 + 839 = 104875
Step 126: 104875 + 839 = 105714
Step 127: 105714 + 839 = 106553
Step 128: 106553 + 839 = 107392
Step 129: 107392 + 839 = 108231
Step 130: 108231 + 839 = 109070
Step 131: 109070 + 839 = 109909
Step 132: 109909 + 839 = 110748
Step 133: 110748 + 839 = 111587
Step 134: 111587 + 839 = 112426
Step 135: 112426 + 839 = 113265
Step 136: 113265 + 839 = 114104
Step 137: 114104 + 839 = 114943
Step 138: 114943 + 839 = 115782
Step 139: 115782 + 839 = 116621
Step 140: 116621 + 839 = 117460
Step 141: 117460 + 839 = 118299
Step 142: 118299 + 839 = 119138
Step 143: 119138 + 839 = 119977
Step 144: 119977 + 839 = 120816
Step 145: 120816 + 839 = 121655
Step 146: 121655 + 839 = 122494
Step 147: 122494 + 839 = 123333
Step 148: 123333 + 839 = 124172
Step 149: 124172 + 839 = 125011
Step 150: 125011 + 839 = 125850
Step 151: 125850 + 839 = 126689
Step 152: 126689 + 839 = 127528
Step 153: 127528 + 839 = 128367
Step 154: 128367 + 839 = 129206
Step 155: 129206 + 839 = 130045
Step 156: 130045 + 839 = 130884
Step 157: 130884 + 839 = 131723
Step 158: 131723 + 839 = 132562
Step 159: 132562 + 839 = 133401
Step 160: 133401 + 839 = 134240
Step 161: 134240 + 839 = 135079
Step 162: 135079 + 839 = 135918
Step 163: 135918 + 839 = 136757
Step 164: 136757 + 839 = 137596
Step 165: 137596 + 839 = 138435
Step 166: 138435 + 839 = 139274
Step 167: 139274 + 839 = 140113
Step 168: 140113 + 839 = 140952
Step 169: 140952 + 839 = 141791
Step 170: 141791 + 839 = 142630
Step 171: 142630 + 839 = 143469
Step 172: 143469 + 839 = 144308
Step 173: 144308 + 839 = 145147
Step 174: 145147 + 839 = 145986
Step 175: 145986 + 839 = 146825
Step 176: 146825 + 839 = 147664
Step 177: 147664 + 839 = 148503
Step 178: 148503 + 839 = 149342
Step 179: 149342 + 839 = 150181
Step 180: 150181 + 839 = 151020
Step 181: 151020 + 839 = 151859
Step 182: 151859 + 839 = 152698
Step 183: 152698 + 839 = 153537
Step 184: 153537 + 839 = 154376
Step 185: 154376 + 839 = 155215
Step 186: 155215 + 839 = 156054
Step 187: 156054 + 839 = 156893
Step 188: 156893 + 839 = 157732
Step 189: 157732 + 839 = 158571
Step 190: 158571 + 839 = 159410
Step 191: 159410 + 839 = 160249
Step 192: 160249 + 839 = 161088
Step 193: 161088 + 839 = 161927

So, 839*193 = 161927