Alright, let's solve this math problem step by step. First, we have the number 323. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 153. So, we're going to take the number 323 and add it to itself 153 times.
Step 1: 0 + 323 = 323
Step 2: 323 + 323 = 646
Step 3: 646 + 323 = 969
Step 4: 969 + 323 = 1292
Step 5: 1292 + 323 = 1615
Step 6: 1615 + 323 = 1938
Step 7: 1938 + 323 = 2261
Step 8: 2261 + 323 = 2584
Step 9: 2584 + 323 = 2907
Step 10: 2907 + 323 = 3230
Step 11: 3230 + 323 = 3553
Step 12: 3553 + 323 = 3876
Step 13: 3876 + 323 = 4199
Step 14: 4199 + 323 = 4522
Step 15: 4522 + 323 = 4845
Step 16: 4845 + 323 = 5168
Step 17: 5168 + 323 = 5491
Step 18: 5491 + 323 = 5814
Step 19: 5814 + 323 = 6137
Step 20: 6137 + 323 = 6460
Step 21: 6460 + 323 = 6783
Step 22: 6783 + 323 = 7106
Step 23: 7106 + 323 = 7429
Step 24: 7429 + 323 = 7752
Step 25: 7752 + 323 = 8075
Step 26: 8075 + 323 = 8398
Step 27: 8398 + 323 = 8721
Step 28: 8721 + 323 = 9044
Step 29: 9044 + 323 = 9367
Step 30: 9367 + 323 = 9690
Step 31: 9690 + 323 = 10013
Step 32: 10013 + 323 = 10336
Step 33: 10336 + 323 = 10659
Step 34: 10659 + 323 = 10982
Step 35: 10982 + 323 = 11305
Step 36: 11305 + 323 = 11628
Step 37: 11628 + 323 = 11951
Step 38: 11951 + 323 = 12274
Step 39: 12274 + 323 = 12597
Step 40: 12597 + 323 = 12920
Step 41: 12920 + 323 = 13243
Step 42: 13243 + 323 = 13566
Step 43: 13566 + 323 = 13889
Step 44: 13889 + 323 = 14212
Step 45: 14212 + 323 = 14535
Step 46: 14535 + 323 = 14858
Step 47: 14858 + 323 = 15181
Step 48: 15181 + 323 = 15504
Step 49: 15504 + 323 = 15827
Step 50: 15827 + 323 = 16150
Step 51: 16150 + 323 = 16473
Step 52: 16473 + 323 = 16796
Step 53: 16796 + 323 = 17119
Step 54: 17119 + 323 = 17442
Step 55: 17442 + 323 = 17765
Step 56: 17765 + 323 = 18088
Step 57: 18088 + 323 = 18411
Step 58: 18411 + 323 = 18734
Step 59: 18734 + 323 = 19057
Step 60: 19057 + 323 = 19380
Step 61: 19380 + 323 = 19703
Step 62: 19703 + 323 = 20026
Step 63: 20026 + 323 = 20349
Step 64: 20349 + 323 = 20672
Step 65: 20672 + 323 = 20995
Step 66: 20995 + 323 = 21318
Step 67: 21318 + 323 = 21641
Step 68: 21641 + 323 = 21964
Step 69: 21964 + 323 = 22287
Step 70: 22287 + 323 = 22610
Step 71: 22610 + 323 = 22933
Step 72: 22933 + 323 = 23256
Step 73: 23256 + 323 = 23579
Step 74: 23579 + 323 = 23902
Step 75: 23902 + 323 = 24225
Step 76: 24225 + 323 = 24548
Step 77: 24548 + 323 = 24871
Step 78: 24871 + 323 = 25194
Step 79: 25194 + 323 = 25517
Step 80: 25517 + 323 = 25840
Step 81: 25840 + 323 = 26163
Step 82: 26163 + 323 = 26486
Step 83: 26486 + 323 = 26809
Step 84: 26809 + 323 = 27132
Step 85: 27132 + 323 = 27455
Step 86: 27455 + 323 = 27778
Step 87: 27778 + 323 = 28101
Step 88: 28101 + 323 = 28424
Step 89: 28424 + 323 = 28747
Step 90: 28747 + 323 = 29070
Step 91: 29070 + 323 = 29393
Step 92: 29393 + 323 = 29716
Step 93: 29716 + 323 = 30039
Step 94: 30039 + 323 = 30362
Step 95: 30362 + 323 = 30685
Step 96: 30685 + 323 = 31008
Step 97: 31008 + 323 = 31331
Step 98: 31331 + 323 = 31654
Step 99: 31654 + 323 = 31977
Step 100: 31977 + 323 = 32300
Step 101: 32300 + 323 = 32623
Step 102: 32623 + 323 = 32946
Step 103: 32946 + 323 = 33269
Step 104: 33269 + 323 = 33592
Step 105: 33592 + 323 = 33915
Step 106: 33915 + 323 = 34238
Step 107: 34238 + 323 = 34561
Step 108: 34561 + 323 = 34884
Step 109: 34884 + 323 = 35207
Step 110: 35207 + 323 = 35530
Step 111: 35530 + 323 = 35853
Step 112: 35853 + 323 = 36176
Step 113: 36176 + 323 = 36499
Step 114: 36499 + 323 = 36822
Step 115: 36822 + 323 = 37145
Step 116: 37145 + 323 = 37468
Step 117: 37468 + 323 = 37791
Step 118: 37791 + 323 = 38114
Step 119: 38114 + 323 = 38437
Step 120: 38437 + 323 = 38760
Step 121: 38760 + 323 = 39083
Step 122: 39083 + 323 = 39406
Step 123: 39406 + 323 = 39729
Step 124: 39729 + 323 = 40052
Step 125: 40052 + 323 = 40375
Step 126: 40375 + 323 = 40698
Step 127: 40698 + 323 = 41021
Step 128: 41021 + 323 = 41344
Step 129: 41344 + 323 = 41667
Step 130: 41667 + 323 = 41990
Step 131: 41990 + 323 = 42313
Step 132: 42313 + 323 = 42636
Step 133: 42636 + 323 = 42959
Step 134: 42959 + 323 = 43282
Step 135: 43282 + 323 = 43605
Step 136: 43605 + 323 = 43928
Step 137: 43928 + 323 = 44251
Step 138: 44251 + 323 = 44574
Step 139: 44574 + 323 = 44897
Step 140: 44897 + 323 = 45220
Step 141: 45220 + 323 = 45543
Step 142: 45543 + 323 = 45866
Step 143: 45866 + 323 = 46189
Step 144: 46189 + 323 = 46512
Step 145: 46512 + 323 = 46835
Step 146: 46835 + 323 = 47158
Step 147: 47158 + 323 = 47481
Step 148: 47481 + 323 = 47804
Step 149: 47804 + 323 = 48127
Step 150: 48127 + 323 = 48450
Step 151: 48450 + 323 = 48773
Step 152: 48773 + 323 = 49096
Step 153: 49096 + 323 = 49419

So, 323*153 = 49419