Without delay, let's solve this. We've got 860 and we will be multiplying it by 166, that is, adding 860 to itself 166 times.
Step 1: 0 + 860 = 860
Step 2: 860 + 860 = 1720
Step 3: 1720 + 860 = 2580
Step 4: 2580 + 860 = 3440
Step 5: 3440 + 860 = 4300
Step 6: 4300 + 860 = 5160
Step 7: 5160 + 860 = 6020
Step 8: 6020 + 860 = 6880
Step 9: 6880 + 860 = 7740
Step 10: 7740 + 860 = 8600
Step 11: 8600 + 860 = 9460
Step 12: 9460 + 860 = 10320
Step 13: 10320 + 860 = 11180
Step 14: 11180 + 860 = 12040
Step 15: 12040 + 860 = 12900
Step 16: 12900 + 860 = 13760
Step 17: 13760 + 860 = 14620
Step 18: 14620 + 860 = 15480
Step 19: 15480 + 860 = 16340
Step 20: 16340 + 860 = 17200
Step 21: 17200 + 860 = 18060
Step 22: 18060 + 860 = 18920
Step 23: 18920 + 860 = 19780
Step 24: 19780 + 860 = 20640
Step 25: 20640 + 860 = 21500
Step 26: 21500 + 860 = 22360
Step 27: 22360 + 860 = 23220
Step 28: 23220 + 860 = 24080
Step 29: 24080 + 860 = 24940
Step 30: 24940 + 860 = 25800
Step 31: 25800 + 860 = 26660
Step 32: 26660 + 860 = 27520
Step 33: 27520 + 860 = 28380
Step 34: 28380 + 860 = 29240
Step 35: 29240 + 860 = 30100
Step 36: 30100 + 860 = 30960
Step 37: 30960 + 860 = 31820
Step 38: 31820 + 860 = 32680
Step 39: 32680 + 860 = 33540
Step 40: 33540 + 860 = 34400
Step 41: 34400 + 860 = 35260
Step 42: 35260 + 860 = 36120
Step 43: 36120 + 860 = 36980
Step 44: 36980 + 860 = 37840
Step 45: 37840 + 860 = 38700
Step 46: 38700 + 860 = 39560
Step 47: 39560 + 860 = 40420
Step 48: 40420 + 860 = 41280
Step 49: 41280 + 860 = 42140
Step 50: 42140 + 860 = 43000
Step 51: 43000 + 860 = 43860
Step 52: 43860 + 860 = 44720
Step 53: 44720 + 860 = 45580
Step 54: 45580 + 860 = 46440
Step 55: 46440 + 860 = 47300
Step 56: 47300 + 860 = 48160
Step 57: 48160 + 860 = 49020
Step 58: 49020 + 860 = 49880
Step 59: 49880 + 860 = 50740
Step 60: 50740 + 860 = 51600
Step 61: 51600 + 860 = 52460
Step 62: 52460 + 860 = 53320
Step 63: 53320 + 860 = 54180
Step 64: 54180 + 860 = 55040
Step 65: 55040 + 860 = 55900
Step 66: 55900 + 860 = 56760
Step 67: 56760 + 860 = 57620
Step 68: 57620 + 860 = 58480
Step 69: 58480 + 860 = 59340
Step 70: 59340 + 860 = 60200
Step 71: 60200 + 860 = 61060
Step 72: 61060 + 860 = 61920
Step 73: 61920 + 860 = 62780
Step 74: 62780 + 860 = 63640
Step 75: 63640 + 860 = 64500
Step 76: 64500 + 860 = 65360
Step 77: 65360 + 860 = 66220
Step 78: 66220 + 860 = 67080
Step 79: 67080 + 860 = 67940
Step 80: 67940 + 860 = 68800
Step 81: 68800 + 860 = 69660
Step 82: 69660 + 860 = 70520
Step 83: 70520 + 860 = 71380
Step 84: 71380 + 860 = 72240
Step 85: 72240 + 860 = 73100
Step 86: 73100 + 860 = 73960
Step 87: 73960 + 860 = 74820
Step 88: 74820 + 860 = 75680
Step 89: 75680 + 860 = 76540
Step 90: 76540 + 860 = 77400
Step 91: 77400 + 860 = 78260
Step 92: 78260 + 860 = 79120
Step 93: 79120 + 860 = 79980
Step 94: 79980 + 860 = 80840
Step 95: 80840 + 860 = 81700
Step 96: 81700 + 860 = 82560
Step 97: 82560 + 860 = 83420
Step 98: 83420 + 860 = 84280
Step 99: 84280 + 860 = 85140
Step 100: 85140 + 860 = 86000
Step 101: 86000 + 860 = 86860
Step 102: 86860 + 860 = 87720
Step 103: 87720 + 860 = 88580
Step 104: 88580 + 860 = 89440
Step 105: 89440 + 860 = 90300
Step 106: 90300 + 860 = 91160
Step 107: 91160 + 860 = 92020
Step 108: 92020 + 860 = 92880
Step 109: 92880 + 860 = 93740
Step 110: 93740 + 860 = 94600
Step 111: 94600 + 860 = 95460
Step 112: 95460 + 860 = 96320
Step 113: 96320 + 860 = 97180
Step 114: 97180 + 860 = 98040
Step 115: 98040 + 860 = 98900
Step 116: 98900 + 860 = 99760
Step 117: 99760 + 860 = 100620
Step 118: 100620 + 860 = 101480
Step 119: 101480 + 860 = 102340
Step 120: 102340 + 860 = 103200
Step 121: 103200 + 860 = 104060
Step 122: 104060 + 860 = 104920
Step 123: 104920 + 860 = 105780
Step 124: 105780 + 860 = 106640
Step 125: 106640 + 860 = 107500
Step 126: 107500 + 860 = 108360
Step 127: 108360 + 860 = 109220
Step 128: 109220 + 860 = 110080
Step 129: 110080 + 860 = 110940
Step 130: 110940 + 860 = 111800
Step 131: 111800 + 860 = 112660
Step 132: 112660 + 860 = 113520
Step 133: 113520 + 860 = 114380
Step 134: 114380 + 860 = 115240
Step 135: 115240 + 860 = 116100
Step 136: 116100 + 860 = 116960
Step 137: 116960 + 860 = 117820
Step 138: 117820 + 860 = 118680
Step 139: 118680 + 860 = 119540
Step 140: 119540 + 860 = 120400
Step 141: 120400 + 860 = 121260
Step 142: 121260 + 860 = 122120
Step 143: 122120 + 860 = 122980
Step 144: 122980 + 860 = 123840
Step 145: 123840 + 860 = 124700
Step 146: 124700 + 860 = 125560
Step 147: 125560 + 860 = 126420
Step 148: 126420 + 860 = 127280
Step 149: 127280 + 860 = 128140
Step 150: 128140 + 860 = 129000
Step 151: 129000 + 860 = 129860
Step 152: 129860 + 860 = 130720
Step 153: 130720 + 860 = 131580
Step 154: 131580 + 860 = 132440
Step 155: 132440 + 860 = 133300
Step 156: 133300 + 860 = 134160
Step 157: 134160 + 860 = 135020
Step 158: 135020 + 860 = 135880
Step 159: 135880 + 860 = 136740
Step 160: 136740 + 860 = 137600
Step 161: 137600 + 860 = 138460
Step 162: 138460 + 860 = 139320
Step 163: 139320 + 860 = 140180
Step 164: 140180 + 860 = 141040
Step 165: 141040 + 860 = 141900
Step 166: 141900 + 860 = 142760

So, 860*166 = 142760