Alright, let's solve this math problem step by step. First, we have the number 513. 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 513 and add it to itself 150 times.
Step 1: 0 + 513 = 513
Step 2: 513 + 513 = 1026
Step 3: 1026 + 513 = 1539
Step 4: 1539 + 513 = 2052
Step 5: 2052 + 513 = 2565
Step 6: 2565 + 513 = 3078
Step 7: 3078 + 513 = 3591
Step 8: 3591 + 513 = 4104
Step 9: 4104 + 513 = 4617
Step 10: 4617 + 513 = 5130
Step 11: 5130 + 513 = 5643
Step 12: 5643 + 513 = 6156
Step 13: 6156 + 513 = 6669
Step 14: 6669 + 513 = 7182
Step 15: 7182 + 513 = 7695
Step 16: 7695 + 513 = 8208
Step 17: 8208 + 513 = 8721
Step 18: 8721 + 513 = 9234
Step 19: 9234 + 513 = 9747
Step 20: 9747 + 513 = 10260
Step 21: 10260 + 513 = 10773
Step 22: 10773 + 513 = 11286
Step 23: 11286 + 513 = 11799
Step 24: 11799 + 513 = 12312
Step 25: 12312 + 513 = 12825
Step 26: 12825 + 513 = 13338
Step 27: 13338 + 513 = 13851
Step 28: 13851 + 513 = 14364
Step 29: 14364 + 513 = 14877
Step 30: 14877 + 513 = 15390
Step 31: 15390 + 513 = 15903
Step 32: 15903 + 513 = 16416
Step 33: 16416 + 513 = 16929
Step 34: 16929 + 513 = 17442
Step 35: 17442 + 513 = 17955
Step 36: 17955 + 513 = 18468
Step 37: 18468 + 513 = 18981
Step 38: 18981 + 513 = 19494
Step 39: 19494 + 513 = 20007
Step 40: 20007 + 513 = 20520
Step 41: 20520 + 513 = 21033
Step 42: 21033 + 513 = 21546
Step 43: 21546 + 513 = 22059
Step 44: 22059 + 513 = 22572
Step 45: 22572 + 513 = 23085
Step 46: 23085 + 513 = 23598
Step 47: 23598 + 513 = 24111
Step 48: 24111 + 513 = 24624
Step 49: 24624 + 513 = 25137
Step 50: 25137 + 513 = 25650
Step 51: 25650 + 513 = 26163
Step 52: 26163 + 513 = 26676
Step 53: 26676 + 513 = 27189
Step 54: 27189 + 513 = 27702
Step 55: 27702 + 513 = 28215
Step 56: 28215 + 513 = 28728
Step 57: 28728 + 513 = 29241
Step 58: 29241 + 513 = 29754
Step 59: 29754 + 513 = 30267
Step 60: 30267 + 513 = 30780
Step 61: 30780 + 513 = 31293
Step 62: 31293 + 513 = 31806
Step 63: 31806 + 513 = 32319
Step 64: 32319 + 513 = 32832
Step 65: 32832 + 513 = 33345
Step 66: 33345 + 513 = 33858
Step 67: 33858 + 513 = 34371
Step 68: 34371 + 513 = 34884
Step 69: 34884 + 513 = 35397
Step 70: 35397 + 513 = 35910
Step 71: 35910 + 513 = 36423
Step 72: 36423 + 513 = 36936
Step 73: 36936 + 513 = 37449
Step 74: 37449 + 513 = 37962
Step 75: 37962 + 513 = 38475
Step 76: 38475 + 513 = 38988
Step 77: 38988 + 513 = 39501
Step 78: 39501 + 513 = 40014
Step 79: 40014 + 513 = 40527
Step 80: 40527 + 513 = 41040
Step 81: 41040 + 513 = 41553
Step 82: 41553 + 513 = 42066
Step 83: 42066 + 513 = 42579
Step 84: 42579 + 513 = 43092
Step 85: 43092 + 513 = 43605
Step 86: 43605 + 513 = 44118
Step 87: 44118 + 513 = 44631
Step 88: 44631 + 513 = 45144
Step 89: 45144 + 513 = 45657
Step 90: 45657 + 513 = 46170
Step 91: 46170 + 513 = 46683
Step 92: 46683 + 513 = 47196
Step 93: 47196 + 513 = 47709
Step 94: 47709 + 513 = 48222
Step 95: 48222 + 513 = 48735
Step 96: 48735 + 513 = 49248
Step 97: 49248 + 513 = 49761
Step 98: 49761 + 513 = 50274
Step 99: 50274 + 513 = 50787
Step 100: 50787 + 513 = 51300
Step 101: 51300 + 513 = 51813
Step 102: 51813 + 513 = 52326
Step 103: 52326 + 513 = 52839
Step 104: 52839 + 513 = 53352
Step 105: 53352 + 513 = 53865
Step 106: 53865 + 513 = 54378
Step 107: 54378 + 513 = 54891
Step 108: 54891 + 513 = 55404
Step 109: 55404 + 513 = 55917
Step 110: 55917 + 513 = 56430
Step 111: 56430 + 513 = 56943
Step 112: 56943 + 513 = 57456
Step 113: 57456 + 513 = 57969
Step 114: 57969 + 513 = 58482
Step 115: 58482 + 513 = 58995
Step 116: 58995 + 513 = 59508
Step 117: 59508 + 513 = 60021
Step 118: 60021 + 513 = 60534
Step 119: 60534 + 513 = 61047
Step 120: 61047 + 513 = 61560
Step 121: 61560 + 513 = 62073
Step 122: 62073 + 513 = 62586
Step 123: 62586 + 513 = 63099
Step 124: 63099 + 513 = 63612
Step 125: 63612 + 513 = 64125
Step 126: 64125 + 513 = 64638
Step 127: 64638 + 513 = 65151
Step 128: 65151 + 513 = 65664
Step 129: 65664 + 513 = 66177
Step 130: 66177 + 513 = 66690
Step 131: 66690 + 513 = 67203
Step 132: 67203 + 513 = 67716
Step 133: 67716 + 513 = 68229
Step 134: 68229 + 513 = 68742
Step 135: 68742 + 513 = 69255
Step 136: 69255 + 513 = 69768
Step 137: 69768 + 513 = 70281
Step 138: 70281 + 513 = 70794
Step 139: 70794 + 513 = 71307
Step 140: 71307 + 513 = 71820
Step 141: 71820 + 513 = 72333
Step 142: 72333 + 513 = 72846
Step 143: 72846 + 513 = 73359
Step 144: 73359 + 513 = 73872
Step 145: 73872 + 513 = 74385
Step 146: 74385 + 513 = 74898
Step 147: 74898 + 513 = 75411
Step 148: 75411 + 513 = 75924
Step 149: 75924 + 513 = 76437
Step 150: 76437 + 513 = 76950

So, 513*150 = 76950