Alright, let's solve this math problem step by step. First, we have the number 915. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 150. So, we're going to take the number 915 and add it to itself 150 times.
Step 1: 0 + 915 = 915
Step 2: 915 + 915 = 1830
Step 3: 1830 + 915 = 2745
Step 4: 2745 + 915 = 3660
Step 5: 3660 + 915 = 4575
Step 6: 4575 + 915 = 5490
Step 7: 5490 + 915 = 6405
Step 8: 6405 + 915 = 7320
Step 9: 7320 + 915 = 8235
Step 10: 8235 + 915 = 9150
Step 11: 9150 + 915 = 10065
Step 12: 10065 + 915 = 10980
Step 13: 10980 + 915 = 11895
Step 14: 11895 + 915 = 12810
Step 15: 12810 + 915 = 13725
Step 16: 13725 + 915 = 14640
Step 17: 14640 + 915 = 15555
Step 18: 15555 + 915 = 16470
Step 19: 16470 + 915 = 17385
Step 20: 17385 + 915 = 18300
Step 21: 18300 + 915 = 19215
Step 22: 19215 + 915 = 20130
Step 23: 20130 + 915 = 21045
Step 24: 21045 + 915 = 21960
Step 25: 21960 + 915 = 22875
Step 26: 22875 + 915 = 23790
Step 27: 23790 + 915 = 24705
Step 28: 24705 + 915 = 25620
Step 29: 25620 + 915 = 26535
Step 30: 26535 + 915 = 27450
Step 31: 27450 + 915 = 28365
Step 32: 28365 + 915 = 29280
Step 33: 29280 + 915 = 30195
Step 34: 30195 + 915 = 31110
Step 35: 31110 + 915 = 32025
Step 36: 32025 + 915 = 32940
Step 37: 32940 + 915 = 33855
Step 38: 33855 + 915 = 34770
Step 39: 34770 + 915 = 35685
Step 40: 35685 + 915 = 36600
Step 41: 36600 + 915 = 37515
Step 42: 37515 + 915 = 38430
Step 43: 38430 + 915 = 39345
Step 44: 39345 + 915 = 40260
Step 45: 40260 + 915 = 41175
Step 46: 41175 + 915 = 42090
Step 47: 42090 + 915 = 43005
Step 48: 43005 + 915 = 43920
Step 49: 43920 + 915 = 44835
Step 50: 44835 + 915 = 45750
Step 51: 45750 + 915 = 46665
Step 52: 46665 + 915 = 47580
Step 53: 47580 + 915 = 48495
Step 54: 48495 + 915 = 49410
Step 55: 49410 + 915 = 50325
Step 56: 50325 + 915 = 51240
Step 57: 51240 + 915 = 52155
Step 58: 52155 + 915 = 53070
Step 59: 53070 + 915 = 53985
Step 60: 53985 + 915 = 54900
Step 61: 54900 + 915 = 55815
Step 62: 55815 + 915 = 56730
Step 63: 56730 + 915 = 57645
Step 64: 57645 + 915 = 58560
Step 65: 58560 + 915 = 59475
Step 66: 59475 + 915 = 60390
Step 67: 60390 + 915 = 61305
Step 68: 61305 + 915 = 62220
Step 69: 62220 + 915 = 63135
Step 70: 63135 + 915 = 64050
Step 71: 64050 + 915 = 64965
Step 72: 64965 + 915 = 65880
Step 73: 65880 + 915 = 66795
Step 74: 66795 + 915 = 67710
Step 75: 67710 + 915 = 68625
Step 76: 68625 + 915 = 69540
Step 77: 69540 + 915 = 70455
Step 78: 70455 + 915 = 71370
Step 79: 71370 + 915 = 72285
Step 80: 72285 + 915 = 73200
Step 81: 73200 + 915 = 74115
Step 82: 74115 + 915 = 75030
Step 83: 75030 + 915 = 75945
Step 84: 75945 + 915 = 76860
Step 85: 76860 + 915 = 77775
Step 86: 77775 + 915 = 78690
Step 87: 78690 + 915 = 79605
Step 88: 79605 + 915 = 80520
Step 89: 80520 + 915 = 81435
Step 90: 81435 + 915 = 82350
Step 91: 82350 + 915 = 83265
Step 92: 83265 + 915 = 84180
Step 93: 84180 + 915 = 85095
Step 94: 85095 + 915 = 86010
Step 95: 86010 + 915 = 86925
Step 96: 86925 + 915 = 87840
Step 97: 87840 + 915 = 88755
Step 98: 88755 + 915 = 89670
Step 99: 89670 + 915 = 90585
Step 100: 90585 + 915 = 91500
Step 101: 91500 + 915 = 92415
Step 102: 92415 + 915 = 93330
Step 103: 93330 + 915 = 94245
Step 104: 94245 + 915 = 95160
Step 105: 95160 + 915 = 96075
Step 106: 96075 + 915 = 96990
Step 107: 96990 + 915 = 97905
Step 108: 97905 + 915 = 98820
Step 109: 98820 + 915 = 99735
Step 110: 99735 + 915 = 100650
Step 111: 100650 + 915 = 101565
Step 112: 101565 + 915 = 102480
Step 113: 102480 + 915 = 103395
Step 114: 103395 + 915 = 104310
Step 115: 104310 + 915 = 105225
Step 116: 105225 + 915 = 106140
Step 117: 106140 + 915 = 107055
Step 118: 107055 + 915 = 107970
Step 119: 107970 + 915 = 108885
Step 120: 108885 + 915 = 109800
Step 121: 109800 + 915 = 110715
Step 122: 110715 + 915 = 111630
Step 123: 111630 + 915 = 112545
Step 124: 112545 + 915 = 113460
Step 125: 113460 + 915 = 114375
Step 126: 114375 + 915 = 115290
Step 127: 115290 + 915 = 116205
Step 128: 116205 + 915 = 117120
Step 129: 117120 + 915 = 118035
Step 130: 118035 + 915 = 118950
Step 131: 118950 + 915 = 119865
Step 132: 119865 + 915 = 120780
Step 133: 120780 + 915 = 121695
Step 134: 121695 + 915 = 122610
Step 135: 122610 + 915 = 123525
Step 136: 123525 + 915 = 124440
Step 137: 124440 + 915 = 125355
Step 138: 125355 + 915 = 126270
Step 139: 126270 + 915 = 127185
Step 140: 127185 + 915 = 128100
Step 141: 128100 + 915 = 129015
Step 142: 129015 + 915 = 129930
Step 143: 129930 + 915 = 130845
Step 144: 130845 + 915 = 131760
Step 145: 131760 + 915 = 132675
Step 146: 132675 + 915 = 133590
Step 147: 133590 + 915 = 134505
Step 148: 134505 + 915 = 135420
Step 149: 135420 + 915 = 136335
Step 150: 136335 + 915 = 137250

So, 915*150 = 137250