OK, let's work through this together. We're starting with 554 and we're going to multiply it by 54, which means we add 554 to itself 54 times.
Step 1: 0 + 554 = 554
Step 2: 554 + 554 = 1108
Step 3: 1108 + 554 = 1662
Step 4: 1662 + 554 = 2216
Step 5: 2216 + 554 = 2770
Step 6: 2770 + 554 = 3324
Step 7: 3324 + 554 = 3878
Step 8: 3878 + 554 = 4432
Step 9: 4432 + 554 = 4986
Step 10: 4986 + 554 = 5540
Step 11: 5540 + 554 = 6094
Step 12: 6094 + 554 = 6648
Step 13: 6648 + 554 = 7202
Step 14: 7202 + 554 = 7756
Step 15: 7756 + 554 = 8310
Step 16: 8310 + 554 = 8864
Step 17: 8864 + 554 = 9418
Step 18: 9418 + 554 = 9972
Step 19: 9972 + 554 = 10526
Step 20: 10526 + 554 = 11080
Step 21: 11080 + 554 = 11634
Step 22: 11634 + 554 = 12188
Step 23: 12188 + 554 = 12742
Step 24: 12742 + 554 = 13296
Step 25: 13296 + 554 = 13850
Step 26: 13850 + 554 = 14404
Step 27: 14404 + 554 = 14958
Step 28: 14958 + 554 = 15512
Step 29: 15512 + 554 = 16066
Step 30: 16066 + 554 = 16620
Step 31: 16620 + 554 = 17174
Step 32: 17174 + 554 = 17728
Step 33: 17728 + 554 = 18282
Step 34: 18282 + 554 = 18836
Step 35: 18836 + 554 = 19390
Step 36: 19390 + 554 = 19944
Step 37: 19944 + 554 = 20498
Step 38: 20498 + 554 = 21052
Step 39: 21052 + 554 = 21606
Step 40: 21606 + 554 = 22160
Step 41: 22160 + 554 = 22714
Step 42: 22714 + 554 = 23268
Step 43: 23268 + 554 = 23822
Step 44: 23822 + 554 = 24376
Step 45: 24376 + 554 = 24930
Step 46: 24930 + 554 = 25484
Step 47: 25484 + 554 = 26038
Step 48: 26038 + 554 = 26592
Step 49: 26592 + 554 = 27146
Step 50: 27146 + 554 = 27700
Step 51: 27700 + 554 = 28254
Step 52: 28254 + 554 = 28808
Step 53: 28808 + 554 = 29362
Step 54: 29362 + 554 = 29916

So, 554*54 = 29916