Sure thing, let's get straight to it. We start with 846 and we're going to multiply it by 187, which means adding 846 to itself 187 times.
Step 1: 0 + 846 = 846
Step 2: 846 + 846 = 1692
Step 3: 1692 + 846 = 2538
Step 4: 2538 + 846 = 3384
Step 5: 3384 + 846 = 4230
Step 6: 4230 + 846 = 5076
Step 7: 5076 + 846 = 5922
Step 8: 5922 + 846 = 6768
Step 9: 6768 + 846 = 7614
Step 10: 7614 + 846 = 8460
Step 11: 8460 + 846 = 9306
Step 12: 9306 + 846 = 10152
Step 13: 10152 + 846 = 10998
Step 14: 10998 + 846 = 11844
Step 15: 11844 + 846 = 12690
Step 16: 12690 + 846 = 13536
Step 17: 13536 + 846 = 14382
Step 18: 14382 + 846 = 15228
Step 19: 15228 + 846 = 16074
Step 20: 16074 + 846 = 16920
Step 21: 16920 + 846 = 17766
Step 22: 17766 + 846 = 18612
Step 23: 18612 + 846 = 19458
Step 24: 19458 + 846 = 20304
Step 25: 20304 + 846 = 21150
Step 26: 21150 + 846 = 21996
Step 27: 21996 + 846 = 22842
Step 28: 22842 + 846 = 23688
Step 29: 23688 + 846 = 24534
Step 30: 24534 + 846 = 25380
Step 31: 25380 + 846 = 26226
Step 32: 26226 + 846 = 27072
Step 33: 27072 + 846 = 27918
Step 34: 27918 + 846 = 28764
Step 35: 28764 + 846 = 29610
Step 36: 29610 + 846 = 30456
Step 37: 30456 + 846 = 31302
Step 38: 31302 + 846 = 32148
Step 39: 32148 + 846 = 32994
Step 40: 32994 + 846 = 33840
Step 41: 33840 + 846 = 34686
Step 42: 34686 + 846 = 35532
Step 43: 35532 + 846 = 36378
Step 44: 36378 + 846 = 37224
Step 45: 37224 + 846 = 38070
Step 46: 38070 + 846 = 38916
Step 47: 38916 + 846 = 39762
Step 48: 39762 + 846 = 40608
Step 49: 40608 + 846 = 41454
Step 50: 41454 + 846 = 42300
Step 51: 42300 + 846 = 43146
Step 52: 43146 + 846 = 43992
Step 53: 43992 + 846 = 44838
Step 54: 44838 + 846 = 45684
Step 55: 45684 + 846 = 46530
Step 56: 46530 + 846 = 47376
Step 57: 47376 + 846 = 48222
Step 58: 48222 + 846 = 49068
Step 59: 49068 + 846 = 49914
Step 60: 49914 + 846 = 50760
Step 61: 50760 + 846 = 51606
Step 62: 51606 + 846 = 52452
Step 63: 52452 + 846 = 53298
Step 64: 53298 + 846 = 54144
Step 65: 54144 + 846 = 54990
Step 66: 54990 + 846 = 55836
Step 67: 55836 + 846 = 56682
Step 68: 56682 + 846 = 57528
Step 69: 57528 + 846 = 58374
Step 70: 58374 + 846 = 59220
Step 71: 59220 + 846 = 60066
Step 72: 60066 + 846 = 60912
Step 73: 60912 + 846 = 61758
Step 74: 61758 + 846 = 62604
Step 75: 62604 + 846 = 63450
Step 76: 63450 + 846 = 64296
Step 77: 64296 + 846 = 65142
Step 78: 65142 + 846 = 65988
Step 79: 65988 + 846 = 66834
Step 80: 66834 + 846 = 67680
Step 81: 67680 + 846 = 68526
Step 82: 68526 + 846 = 69372
Step 83: 69372 + 846 = 70218
Step 84: 70218 + 846 = 71064
Step 85: 71064 + 846 = 71910
Step 86: 71910 + 846 = 72756
Step 87: 72756 + 846 = 73602
Step 88: 73602 + 846 = 74448
Step 89: 74448 + 846 = 75294
Step 90: 75294 + 846 = 76140
Step 91: 76140 + 846 = 76986
Step 92: 76986 + 846 = 77832
Step 93: 77832 + 846 = 78678
Step 94: 78678 + 846 = 79524
Step 95: 79524 + 846 = 80370
Step 96: 80370 + 846 = 81216
Step 97: 81216 + 846 = 82062
Step 98: 82062 + 846 = 82908
Step 99: 82908 + 846 = 83754
Step 100: 83754 + 846 = 84600
Step 101: 84600 + 846 = 85446
Step 102: 85446 + 846 = 86292
Step 103: 86292 + 846 = 87138
Step 104: 87138 + 846 = 87984
Step 105: 87984 + 846 = 88830
Step 106: 88830 + 846 = 89676
Step 107: 89676 + 846 = 90522
Step 108: 90522 + 846 = 91368
Step 109: 91368 + 846 = 92214
Step 110: 92214 + 846 = 93060
Step 111: 93060 + 846 = 93906
Step 112: 93906 + 846 = 94752
Step 113: 94752 + 846 = 95598
Step 114: 95598 + 846 = 96444
Step 115: 96444 + 846 = 97290
Step 116: 97290 + 846 = 98136
Step 117: 98136 + 846 = 98982
Step 118: 98982 + 846 = 99828
Step 119: 99828 + 846 = 100674
Step 120: 100674 + 846 = 101520
Step 121: 101520 + 846 = 102366
Step 122: 102366 + 846 = 103212
Step 123: 103212 + 846 = 104058
Step 124: 104058 + 846 = 104904
Step 125: 104904 + 846 = 105750
Step 126: 105750 + 846 = 106596
Step 127: 106596 + 846 = 107442
Step 128: 107442 + 846 = 108288
Step 129: 108288 + 846 = 109134
Step 130: 109134 + 846 = 109980
Step 131: 109980 + 846 = 110826
Step 132: 110826 + 846 = 111672
Step 133: 111672 + 846 = 112518
Step 134: 112518 + 846 = 113364
Step 135: 113364 + 846 = 114210
Step 136: 114210 + 846 = 115056
Step 137: 115056 + 846 = 115902
Step 138: 115902 + 846 = 116748
Step 139: 116748 + 846 = 117594
Step 140: 117594 + 846 = 118440
Step 141: 118440 + 846 = 119286
Step 142: 119286 + 846 = 120132
Step 143: 120132 + 846 = 120978
Step 144: 120978 + 846 = 121824
Step 145: 121824 + 846 = 122670
Step 146: 122670 + 846 = 123516
Step 147: 123516 + 846 = 124362
Step 148: 124362 + 846 = 125208
Step 149: 125208 + 846 = 126054
Step 150: 126054 + 846 = 126900
Step 151: 126900 + 846 = 127746
Step 152: 127746 + 846 = 128592
Step 153: 128592 + 846 = 129438
Step 154: 129438 + 846 = 130284
Step 155: 130284 + 846 = 131130
Step 156: 131130 + 846 = 131976
Step 157: 131976 + 846 = 132822
Step 158: 132822 + 846 = 133668
Step 159: 133668 + 846 = 134514
Step 160: 134514 + 846 = 135360
Step 161: 135360 + 846 = 136206
Step 162: 136206 + 846 = 137052
Step 163: 137052 + 846 = 137898
Step 164: 137898 + 846 = 138744
Step 165: 138744 + 846 = 139590
Step 166: 139590 + 846 = 140436
Step 167: 140436 + 846 = 141282
Step 168: 141282 + 846 = 142128
Step 169: 142128 + 846 = 142974
Step 170: 142974 + 846 = 143820
Step 171: 143820 + 846 = 144666
Step 172: 144666 + 846 = 145512
Step 173: 145512 + 846 = 146358
Step 174: 146358 + 846 = 147204
Step 175: 147204 + 846 = 148050
Step 176: 148050 + 846 = 148896
Step 177: 148896 + 846 = 149742
Step 178: 149742 + 846 = 150588
Step 179: 150588 + 846 = 151434
Step 180: 151434 + 846 = 152280
Step 181: 152280 + 846 = 153126
Step 182: 153126 + 846 = 153972
Step 183: 153972 + 846 = 154818
Step 184: 154818 + 846 = 155664
Step 185: 155664 + 846 = 156510
Step 186: 156510 + 846 = 157356
Step 187: 157356 + 846 = 158202

So, 846*187 = 158202