OK, let's crack this. We're given 536 and our task is to multiply it by 150. Essentially, we'll be adding 536 to itself 150 times.
Step 1: 0 + 536 = 536
Step 2: 536 + 536 = 1072
Step 3: 1072 + 536 = 1608
Step 4: 1608 + 536 = 2144
Step 5: 2144 + 536 = 2680
Step 6: 2680 + 536 = 3216
Step 7: 3216 + 536 = 3752
Step 8: 3752 + 536 = 4288
Step 9: 4288 + 536 = 4824
Step 10: 4824 + 536 = 5360
Step 11: 5360 + 536 = 5896
Step 12: 5896 + 536 = 6432
Step 13: 6432 + 536 = 6968
Step 14: 6968 + 536 = 7504
Step 15: 7504 + 536 = 8040
Step 16: 8040 + 536 = 8576
Step 17: 8576 + 536 = 9112
Step 18: 9112 + 536 = 9648
Step 19: 9648 + 536 = 10184
Step 20: 10184 + 536 = 10720
Step 21: 10720 + 536 = 11256
Step 22: 11256 + 536 = 11792
Step 23: 11792 + 536 = 12328
Step 24: 12328 + 536 = 12864
Step 25: 12864 + 536 = 13400
Step 26: 13400 + 536 = 13936
Step 27: 13936 + 536 = 14472
Step 28: 14472 + 536 = 15008
Step 29: 15008 + 536 = 15544
Step 30: 15544 + 536 = 16080
Step 31: 16080 + 536 = 16616
Step 32: 16616 + 536 = 17152
Step 33: 17152 + 536 = 17688
Step 34: 17688 + 536 = 18224
Step 35: 18224 + 536 = 18760
Step 36: 18760 + 536 = 19296
Step 37: 19296 + 536 = 19832
Step 38: 19832 + 536 = 20368
Step 39: 20368 + 536 = 20904
Step 40: 20904 + 536 = 21440
Step 41: 21440 + 536 = 21976
Step 42: 21976 + 536 = 22512
Step 43: 22512 + 536 = 23048
Step 44: 23048 + 536 = 23584
Step 45: 23584 + 536 = 24120
Step 46: 24120 + 536 = 24656
Step 47: 24656 + 536 = 25192
Step 48: 25192 + 536 = 25728
Step 49: 25728 + 536 = 26264
Step 50: 26264 + 536 = 26800
Step 51: 26800 + 536 = 27336
Step 52: 27336 + 536 = 27872
Step 53: 27872 + 536 = 28408
Step 54: 28408 + 536 = 28944
Step 55: 28944 + 536 = 29480
Step 56: 29480 + 536 = 30016
Step 57: 30016 + 536 = 30552
Step 58: 30552 + 536 = 31088
Step 59: 31088 + 536 = 31624
Step 60: 31624 + 536 = 32160
Step 61: 32160 + 536 = 32696
Step 62: 32696 + 536 = 33232
Step 63: 33232 + 536 = 33768
Step 64: 33768 + 536 = 34304
Step 65: 34304 + 536 = 34840
Step 66: 34840 + 536 = 35376
Step 67: 35376 + 536 = 35912
Step 68: 35912 + 536 = 36448
Step 69: 36448 + 536 = 36984
Step 70: 36984 + 536 = 37520
Step 71: 37520 + 536 = 38056
Step 72: 38056 + 536 = 38592
Step 73: 38592 + 536 = 39128
Step 74: 39128 + 536 = 39664
Step 75: 39664 + 536 = 40200
Step 76: 40200 + 536 = 40736
Step 77: 40736 + 536 = 41272
Step 78: 41272 + 536 = 41808
Step 79: 41808 + 536 = 42344
Step 80: 42344 + 536 = 42880
Step 81: 42880 + 536 = 43416
Step 82: 43416 + 536 = 43952
Step 83: 43952 + 536 = 44488
Step 84: 44488 + 536 = 45024
Step 85: 45024 + 536 = 45560
Step 86: 45560 + 536 = 46096
Step 87: 46096 + 536 = 46632
Step 88: 46632 + 536 = 47168
Step 89: 47168 + 536 = 47704
Step 90: 47704 + 536 = 48240
Step 91: 48240 + 536 = 48776
Step 92: 48776 + 536 = 49312
Step 93: 49312 + 536 = 49848
Step 94: 49848 + 536 = 50384
Step 95: 50384 + 536 = 50920
Step 96: 50920 + 536 = 51456
Step 97: 51456 + 536 = 51992
Step 98: 51992 + 536 = 52528
Step 99: 52528 + 536 = 53064
Step 100: 53064 + 536 = 53600
Step 101: 53600 + 536 = 54136
Step 102: 54136 + 536 = 54672
Step 103: 54672 + 536 = 55208
Step 104: 55208 + 536 = 55744
Step 105: 55744 + 536 = 56280
Step 106: 56280 + 536 = 56816
Step 107: 56816 + 536 = 57352
Step 108: 57352 + 536 = 57888
Step 109: 57888 + 536 = 58424
Step 110: 58424 + 536 = 58960
Step 111: 58960 + 536 = 59496
Step 112: 59496 + 536 = 60032
Step 113: 60032 + 536 = 60568
Step 114: 60568 + 536 = 61104
Step 115: 61104 + 536 = 61640
Step 116: 61640 + 536 = 62176
Step 117: 62176 + 536 = 62712
Step 118: 62712 + 536 = 63248
Step 119: 63248 + 536 = 63784
Step 120: 63784 + 536 = 64320
Step 121: 64320 + 536 = 64856
Step 122: 64856 + 536 = 65392
Step 123: 65392 + 536 = 65928
Step 124: 65928 + 536 = 66464
Step 125: 66464 + 536 = 67000
Step 126: 67000 + 536 = 67536
Step 127: 67536 + 536 = 68072
Step 128: 68072 + 536 = 68608
Step 129: 68608 + 536 = 69144
Step 130: 69144 + 536 = 69680
Step 131: 69680 + 536 = 70216
Step 132: 70216 + 536 = 70752
Step 133: 70752 + 536 = 71288
Step 134: 71288 + 536 = 71824
Step 135: 71824 + 536 = 72360
Step 136: 72360 + 536 = 72896
Step 137: 72896 + 536 = 73432
Step 138: 73432 + 536 = 73968
Step 139: 73968 + 536 = 74504
Step 140: 74504 + 536 = 75040
Step 141: 75040 + 536 = 75576
Step 142: 75576 + 536 = 76112
Step 143: 76112 + 536 = 76648
Step 144: 76648 + 536 = 77184
Step 145: 77184 + 536 = 77720
Step 146: 77720 + 536 = 78256
Step 147: 78256 + 536 = 78792
Step 148: 78792 + 536 = 79328
Step 149: 79328 + 536 = 79864
Step 150: 79864 + 536 = 80400

So, 536*150 = 80400