Alright, let's solve this math problem step by step. First, we have the number 455. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 54. So, we're going to take the number 455 and add it to itself 54 times.
Step 1: 0 + 455 = 455
Step 2: 455 + 455 = 910
Step 3: 910 + 455 = 1365
Step 4: 1365 + 455 = 1820
Step 5: 1820 + 455 = 2275
Step 6: 2275 + 455 = 2730
Step 7: 2730 + 455 = 3185
Step 8: 3185 + 455 = 3640
Step 9: 3640 + 455 = 4095
Step 10: 4095 + 455 = 4550
Step 11: 4550 + 455 = 5005
Step 12: 5005 + 455 = 5460
Step 13: 5460 + 455 = 5915
Step 14: 5915 + 455 = 6370
Step 15: 6370 + 455 = 6825
Step 16: 6825 + 455 = 7280
Step 17: 7280 + 455 = 7735
Step 18: 7735 + 455 = 8190
Step 19: 8190 + 455 = 8645
Step 20: 8645 + 455 = 9100
Step 21: 9100 + 455 = 9555
Step 22: 9555 + 455 = 10010
Step 23: 10010 + 455 = 10465
Step 24: 10465 + 455 = 10920
Step 25: 10920 + 455 = 11375
Step 26: 11375 + 455 = 11830
Step 27: 11830 + 455 = 12285
Step 28: 12285 + 455 = 12740
Step 29: 12740 + 455 = 13195
Step 30: 13195 + 455 = 13650
Step 31: 13650 + 455 = 14105
Step 32: 14105 + 455 = 14560
Step 33: 14560 + 455 = 15015
Step 34: 15015 + 455 = 15470
Step 35: 15470 + 455 = 15925
Step 36: 15925 + 455 = 16380
Step 37: 16380 + 455 = 16835
Step 38: 16835 + 455 = 17290
Step 39: 17290 + 455 = 17745
Step 40: 17745 + 455 = 18200
Step 41: 18200 + 455 = 18655
Step 42: 18655 + 455 = 19110
Step 43: 19110 + 455 = 19565
Step 44: 19565 + 455 = 20020
Step 45: 20020 + 455 = 20475
Step 46: 20475 + 455 = 20930
Step 47: 20930 + 455 = 21385
Step 48: 21385 + 455 = 21840
Step 49: 21840 + 455 = 22295
Step 50: 22295 + 455 = 22750
Step 51: 22750 + 455 = 23205
Step 52: 23205 + 455 = 23660
Step 53: 23660 + 455 = 24115
Step 54: 24115 + 455 = 24570

So, 455*54 = 24570