Alright, let's solve this math problem step by step. First, we have the number 331. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 125. So, we're going to take the number 331 and add it to itself 125 times.
Step 1: 0 + 331 = 331
Step 2: 331 + 331 = 662
Step 3: 662 + 331 = 993
Step 4: 993 + 331 = 1324
Step 5: 1324 + 331 = 1655
Step 6: 1655 + 331 = 1986
Step 7: 1986 + 331 = 2317
Step 8: 2317 + 331 = 2648
Step 9: 2648 + 331 = 2979
Step 10: 2979 + 331 = 3310
Step 11: 3310 + 331 = 3641
Step 12: 3641 + 331 = 3972
Step 13: 3972 + 331 = 4303
Step 14: 4303 + 331 = 4634
Step 15: 4634 + 331 = 4965
Step 16: 4965 + 331 = 5296
Step 17: 5296 + 331 = 5627
Step 18: 5627 + 331 = 5958
Step 19: 5958 + 331 = 6289
Step 20: 6289 + 331 = 6620
Step 21: 6620 + 331 = 6951
Step 22: 6951 + 331 = 7282
Step 23: 7282 + 331 = 7613
Step 24: 7613 + 331 = 7944
Step 25: 7944 + 331 = 8275
Step 26: 8275 + 331 = 8606
Step 27: 8606 + 331 = 8937
Step 28: 8937 + 331 = 9268
Step 29: 9268 + 331 = 9599
Step 30: 9599 + 331 = 9930
Step 31: 9930 + 331 = 10261
Step 32: 10261 + 331 = 10592
Step 33: 10592 + 331 = 10923
Step 34: 10923 + 331 = 11254
Step 35: 11254 + 331 = 11585
Step 36: 11585 + 331 = 11916
Step 37: 11916 + 331 = 12247
Step 38: 12247 + 331 = 12578
Step 39: 12578 + 331 = 12909
Step 40: 12909 + 331 = 13240
Step 41: 13240 + 331 = 13571
Step 42: 13571 + 331 = 13902
Step 43: 13902 + 331 = 14233
Step 44: 14233 + 331 = 14564
Step 45: 14564 + 331 = 14895
Step 46: 14895 + 331 = 15226
Step 47: 15226 + 331 = 15557
Step 48: 15557 + 331 = 15888
Step 49: 15888 + 331 = 16219
Step 50: 16219 + 331 = 16550
Step 51: 16550 + 331 = 16881
Step 52: 16881 + 331 = 17212
Step 53: 17212 + 331 = 17543
Step 54: 17543 + 331 = 17874
Step 55: 17874 + 331 = 18205
Step 56: 18205 + 331 = 18536
Step 57: 18536 + 331 = 18867
Step 58: 18867 + 331 = 19198
Step 59: 19198 + 331 = 19529
Step 60: 19529 + 331 = 19860
Step 61: 19860 + 331 = 20191
Step 62: 20191 + 331 = 20522
Step 63: 20522 + 331 = 20853
Step 64: 20853 + 331 = 21184
Step 65: 21184 + 331 = 21515
Step 66: 21515 + 331 = 21846
Step 67: 21846 + 331 = 22177
Step 68: 22177 + 331 = 22508
Step 69: 22508 + 331 = 22839
Step 70: 22839 + 331 = 23170
Step 71: 23170 + 331 = 23501
Step 72: 23501 + 331 = 23832
Step 73: 23832 + 331 = 24163
Step 74: 24163 + 331 = 24494
Step 75: 24494 + 331 = 24825
Step 76: 24825 + 331 = 25156
Step 77: 25156 + 331 = 25487
Step 78: 25487 + 331 = 25818
Step 79: 25818 + 331 = 26149
Step 80: 26149 + 331 = 26480
Step 81: 26480 + 331 = 26811
Step 82: 26811 + 331 = 27142
Step 83: 27142 + 331 = 27473
Step 84: 27473 + 331 = 27804
Step 85: 27804 + 331 = 28135
Step 86: 28135 + 331 = 28466
Step 87: 28466 + 331 = 28797
Step 88: 28797 + 331 = 29128
Step 89: 29128 + 331 = 29459
Step 90: 29459 + 331 = 29790
Step 91: 29790 + 331 = 30121
Step 92: 30121 + 331 = 30452
Step 93: 30452 + 331 = 30783
Step 94: 30783 + 331 = 31114
Step 95: 31114 + 331 = 31445
Step 96: 31445 + 331 = 31776
Step 97: 31776 + 331 = 32107
Step 98: 32107 + 331 = 32438
Step 99: 32438 + 331 = 32769
Step 100: 32769 + 331 = 33100
Step 101: 33100 + 331 = 33431
Step 102: 33431 + 331 = 33762
Step 103: 33762 + 331 = 34093
Step 104: 34093 + 331 = 34424
Step 105: 34424 + 331 = 34755
Step 106: 34755 + 331 = 35086
Step 107: 35086 + 331 = 35417
Step 108: 35417 + 331 = 35748
Step 109: 35748 + 331 = 36079
Step 110: 36079 + 331 = 36410
Step 111: 36410 + 331 = 36741
Step 112: 36741 + 331 = 37072
Step 113: 37072 + 331 = 37403
Step 114: 37403 + 331 = 37734
Step 115: 37734 + 331 = 38065
Step 116: 38065 + 331 = 38396
Step 117: 38396 + 331 = 38727
Step 118: 38727 + 331 = 39058
Step 119: 39058 + 331 = 39389
Step 120: 39389 + 331 = 39720
Step 121: 39720 + 331 = 40051
Step 122: 40051 + 331 = 40382
Step 123: 40382 + 331 = 40713
Step 124: 40713 + 331 = 41044
Step 125: 41044 + 331 = 41375

So, 331*125 = 41375