OK, let's work through this together. We're starting with 930 and we're going to multiply it by 155, which means we add 930 to itself 155 times.
Step 1: 0 + 930 = 930
Step 2: 930 + 930 = 1860
Step 3: 1860 + 930 = 2790
Step 4: 2790 + 930 = 3720
Step 5: 3720 + 930 = 4650
Step 6: 4650 + 930 = 5580
Step 7: 5580 + 930 = 6510
Step 8: 6510 + 930 = 7440
Step 9: 7440 + 930 = 8370
Step 10: 8370 + 930 = 9300
Step 11: 9300 + 930 = 10230
Step 12: 10230 + 930 = 11160
Step 13: 11160 + 930 = 12090
Step 14: 12090 + 930 = 13020
Step 15: 13020 + 930 = 13950
Step 16: 13950 + 930 = 14880
Step 17: 14880 + 930 = 15810
Step 18: 15810 + 930 = 16740
Step 19: 16740 + 930 = 17670
Step 20: 17670 + 930 = 18600
Step 21: 18600 + 930 = 19530
Step 22: 19530 + 930 = 20460
Step 23: 20460 + 930 = 21390
Step 24: 21390 + 930 = 22320
Step 25: 22320 + 930 = 23250
Step 26: 23250 + 930 = 24180
Step 27: 24180 + 930 = 25110
Step 28: 25110 + 930 = 26040
Step 29: 26040 + 930 = 26970
Step 30: 26970 + 930 = 27900
Step 31: 27900 + 930 = 28830
Step 32: 28830 + 930 = 29760
Step 33: 29760 + 930 = 30690
Step 34: 30690 + 930 = 31620
Step 35: 31620 + 930 = 32550
Step 36: 32550 + 930 = 33480
Step 37: 33480 + 930 = 34410
Step 38: 34410 + 930 = 35340
Step 39: 35340 + 930 = 36270
Step 40: 36270 + 930 = 37200
Step 41: 37200 + 930 = 38130
Step 42: 38130 + 930 = 39060
Step 43: 39060 + 930 = 39990
Step 44: 39990 + 930 = 40920
Step 45: 40920 + 930 = 41850
Step 46: 41850 + 930 = 42780
Step 47: 42780 + 930 = 43710
Step 48: 43710 + 930 = 44640
Step 49: 44640 + 930 = 45570
Step 50: 45570 + 930 = 46500
Step 51: 46500 + 930 = 47430
Step 52: 47430 + 930 = 48360
Step 53: 48360 + 930 = 49290
Step 54: 49290 + 930 = 50220
Step 55: 50220 + 930 = 51150
Step 56: 51150 + 930 = 52080
Step 57: 52080 + 930 = 53010
Step 58: 53010 + 930 = 53940
Step 59: 53940 + 930 = 54870
Step 60: 54870 + 930 = 55800
Step 61: 55800 + 930 = 56730
Step 62: 56730 + 930 = 57660
Step 63: 57660 + 930 = 58590
Step 64: 58590 + 930 = 59520
Step 65: 59520 + 930 = 60450
Step 66: 60450 + 930 = 61380
Step 67: 61380 + 930 = 62310
Step 68: 62310 + 930 = 63240
Step 69: 63240 + 930 = 64170
Step 70: 64170 + 930 = 65100
Step 71: 65100 + 930 = 66030
Step 72: 66030 + 930 = 66960
Step 73: 66960 + 930 = 67890
Step 74: 67890 + 930 = 68820
Step 75: 68820 + 930 = 69750
Step 76: 69750 + 930 = 70680
Step 77: 70680 + 930 = 71610
Step 78: 71610 + 930 = 72540
Step 79: 72540 + 930 = 73470
Step 80: 73470 + 930 = 74400
Step 81: 74400 + 930 = 75330
Step 82: 75330 + 930 = 76260
Step 83: 76260 + 930 = 77190
Step 84: 77190 + 930 = 78120
Step 85: 78120 + 930 = 79050
Step 86: 79050 + 930 = 79980
Step 87: 79980 + 930 = 80910
Step 88: 80910 + 930 = 81840
Step 89: 81840 + 930 = 82770
Step 90: 82770 + 930 = 83700
Step 91: 83700 + 930 = 84630
Step 92: 84630 + 930 = 85560
Step 93: 85560 + 930 = 86490
Step 94: 86490 + 930 = 87420
Step 95: 87420 + 930 = 88350
Step 96: 88350 + 930 = 89280
Step 97: 89280 + 930 = 90210
Step 98: 90210 + 930 = 91140
Step 99: 91140 + 930 = 92070
Step 100: 92070 + 930 = 93000
Step 101: 93000 + 930 = 93930
Step 102: 93930 + 930 = 94860
Step 103: 94860 + 930 = 95790
Step 104: 95790 + 930 = 96720
Step 105: 96720 + 930 = 97650
Step 106: 97650 + 930 = 98580
Step 107: 98580 + 930 = 99510
Step 108: 99510 + 930 = 100440
Step 109: 100440 + 930 = 101370
Step 110: 101370 + 930 = 102300
Step 111: 102300 + 930 = 103230
Step 112: 103230 + 930 = 104160
Step 113: 104160 + 930 = 105090
Step 114: 105090 + 930 = 106020
Step 115: 106020 + 930 = 106950
Step 116: 106950 + 930 = 107880
Step 117: 107880 + 930 = 108810
Step 118: 108810 + 930 = 109740
Step 119: 109740 + 930 = 110670
Step 120: 110670 + 930 = 111600
Step 121: 111600 + 930 = 112530
Step 122: 112530 + 930 = 113460
Step 123: 113460 + 930 = 114390
Step 124: 114390 + 930 = 115320
Step 125: 115320 + 930 = 116250
Step 126: 116250 + 930 = 117180
Step 127: 117180 + 930 = 118110
Step 128: 118110 + 930 = 119040
Step 129: 119040 + 930 = 119970
Step 130: 119970 + 930 = 120900
Step 131: 120900 + 930 = 121830
Step 132: 121830 + 930 = 122760
Step 133: 122760 + 930 = 123690
Step 134: 123690 + 930 = 124620
Step 135: 124620 + 930 = 125550
Step 136: 125550 + 930 = 126480
Step 137: 126480 + 930 = 127410
Step 138: 127410 + 930 = 128340
Step 139: 128340 + 930 = 129270
Step 140: 129270 + 930 = 130200
Step 141: 130200 + 930 = 131130
Step 142: 131130 + 930 = 132060
Step 143: 132060 + 930 = 132990
Step 144: 132990 + 930 = 133920
Step 145: 133920 + 930 = 134850
Step 146: 134850 + 930 = 135780
Step 147: 135780 + 930 = 136710
Step 148: 136710 + 930 = 137640
Step 149: 137640 + 930 = 138570
Step 150: 138570 + 930 = 139500
Step 151: 139500 + 930 = 140430
Step 152: 140430 + 930 = 141360
Step 153: 141360 + 930 = 142290
Step 154: 142290 + 930 = 143220
Step 155: 143220 + 930 = 144150

So, 930*155 = 144150