Alright, let's solve this math problem step by step. First, we have the number 257. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 63. So, we're going to take the number 257 and add it to itself 63 times.
Step 1: 0 + 257 = 257
Step 2: 257 + 257 = 514
Step 3: 514 + 257 = 771
Step 4: 771 + 257 = 1028
Step 5: 1028 + 257 = 1285
Step 6: 1285 + 257 = 1542
Step 7: 1542 + 257 = 1799
Step 8: 1799 + 257 = 2056
Step 9: 2056 + 257 = 2313
Step 10: 2313 + 257 = 2570
Step 11: 2570 + 257 = 2827
Step 12: 2827 + 257 = 3084
Step 13: 3084 + 257 = 3341
Step 14: 3341 + 257 = 3598
Step 15: 3598 + 257 = 3855
Step 16: 3855 + 257 = 4112
Step 17: 4112 + 257 = 4369
Step 18: 4369 + 257 = 4626
Step 19: 4626 + 257 = 4883
Step 20: 4883 + 257 = 5140
Step 21: 5140 + 257 = 5397
Step 22: 5397 + 257 = 5654
Step 23: 5654 + 257 = 5911
Step 24: 5911 + 257 = 6168
Step 25: 6168 + 257 = 6425
Step 26: 6425 + 257 = 6682
Step 27: 6682 + 257 = 6939
Step 28: 6939 + 257 = 7196
Step 29: 7196 + 257 = 7453
Step 30: 7453 + 257 = 7710
Step 31: 7710 + 257 = 7967
Step 32: 7967 + 257 = 8224
Step 33: 8224 + 257 = 8481
Step 34: 8481 + 257 = 8738
Step 35: 8738 + 257 = 8995
Step 36: 8995 + 257 = 9252
Step 37: 9252 + 257 = 9509
Step 38: 9509 + 257 = 9766
Step 39: 9766 + 257 = 10023
Step 40: 10023 + 257 = 10280
Step 41: 10280 + 257 = 10537
Step 42: 10537 + 257 = 10794
Step 43: 10794 + 257 = 11051
Step 44: 11051 + 257 = 11308
Step 45: 11308 + 257 = 11565
Step 46: 11565 + 257 = 11822
Step 47: 11822 + 257 = 12079
Step 48: 12079 + 257 = 12336
Step 49: 12336 + 257 = 12593
Step 50: 12593 + 257 = 12850
Step 51: 12850 + 257 = 13107
Step 52: 13107 + 257 = 13364
Step 53: 13364 + 257 = 13621
Step 54: 13621 + 257 = 13878
Step 55: 13878 + 257 = 14135
Step 56: 14135 + 257 = 14392
Step 57: 14392 + 257 = 14649
Step 58: 14649 + 257 = 14906
Step 59: 14906 + 257 = 15163
Step 60: 15163 + 257 = 15420
Step 61: 15420 + 257 = 15677
Step 62: 15677 + 257 = 15934
Step 63: 15934 + 257 = 16191

So, 257*63 = 16191