Alright, let's solve this math problem step by step. First, we have the number 363. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 57. So, we're going to take the number 363 and add it to itself 57 times.
Step 1: 0 + 363 = 363
Step 2: 363 + 363 = 726
Step 3: 726 + 363 = 1089
Step 4: 1089 + 363 = 1452
Step 5: 1452 + 363 = 1815
Step 6: 1815 + 363 = 2178
Step 7: 2178 + 363 = 2541
Step 8: 2541 + 363 = 2904
Step 9: 2904 + 363 = 3267
Step 10: 3267 + 363 = 3630
Step 11: 3630 + 363 = 3993
Step 12: 3993 + 363 = 4356
Step 13: 4356 + 363 = 4719
Step 14: 4719 + 363 = 5082
Step 15: 5082 + 363 = 5445
Step 16: 5445 + 363 = 5808
Step 17: 5808 + 363 = 6171
Step 18: 6171 + 363 = 6534
Step 19: 6534 + 363 = 6897
Step 20: 6897 + 363 = 7260
Step 21: 7260 + 363 = 7623
Step 22: 7623 + 363 = 7986
Step 23: 7986 + 363 = 8349
Step 24: 8349 + 363 = 8712
Step 25: 8712 + 363 = 9075
Step 26: 9075 + 363 = 9438
Step 27: 9438 + 363 = 9801
Step 28: 9801 + 363 = 10164
Step 29: 10164 + 363 = 10527
Step 30: 10527 + 363 = 10890
Step 31: 10890 + 363 = 11253
Step 32: 11253 + 363 = 11616
Step 33: 11616 + 363 = 11979
Step 34: 11979 + 363 = 12342
Step 35: 12342 + 363 = 12705
Step 36: 12705 + 363 = 13068
Step 37: 13068 + 363 = 13431
Step 38: 13431 + 363 = 13794
Step 39: 13794 + 363 = 14157
Step 40: 14157 + 363 = 14520
Step 41: 14520 + 363 = 14883
Step 42: 14883 + 363 = 15246
Step 43: 15246 + 363 = 15609
Step 44: 15609 + 363 = 15972
Step 45: 15972 + 363 = 16335
Step 46: 16335 + 363 = 16698
Step 47: 16698 + 363 = 17061
Step 48: 17061 + 363 = 17424
Step 49: 17424 + 363 = 17787
Step 50: 17787 + 363 = 18150
Step 51: 18150 + 363 = 18513
Step 52: 18513 + 363 = 18876
Step 53: 18876 + 363 = 19239
Step 54: 19239 + 363 = 19602
Step 55: 19602 + 363 = 19965
Step 56: 19965 + 363 = 20328
Step 57: 20328 + 363 = 20691

So, 363*57 = 20691