Let's get this math done. We have 389 and we're going to multiply it by 54. This is the same as taking 389 and adding it to itself 54 times.
Step 1: 0 + 389 = 389
Step 2: 389 + 389 = 778
Step 3: 778 + 389 = 1167
Step 4: 1167 + 389 = 1556
Step 5: 1556 + 389 = 1945
Step 6: 1945 + 389 = 2334
Step 7: 2334 + 389 = 2723
Step 8: 2723 + 389 = 3112
Step 9: 3112 + 389 = 3501
Step 10: 3501 + 389 = 3890
Step 11: 3890 + 389 = 4279
Step 12: 4279 + 389 = 4668
Step 13: 4668 + 389 = 5057
Step 14: 5057 + 389 = 5446
Step 15: 5446 + 389 = 5835
Step 16: 5835 + 389 = 6224
Step 17: 6224 + 389 = 6613
Step 18: 6613 + 389 = 7002
Step 19: 7002 + 389 = 7391
Step 20: 7391 + 389 = 7780
Step 21: 7780 + 389 = 8169
Step 22: 8169 + 389 = 8558
Step 23: 8558 + 389 = 8947
Step 24: 8947 + 389 = 9336
Step 25: 9336 + 389 = 9725
Step 26: 9725 + 389 = 10114
Step 27: 10114 + 389 = 10503
Step 28: 10503 + 389 = 10892
Step 29: 10892 + 389 = 11281
Step 30: 11281 + 389 = 11670
Step 31: 11670 + 389 = 12059
Step 32: 12059 + 389 = 12448
Step 33: 12448 + 389 = 12837
Step 34: 12837 + 389 = 13226
Step 35: 13226 + 389 = 13615
Step 36: 13615 + 389 = 14004
Step 37: 14004 + 389 = 14393
Step 38: 14393 + 389 = 14782
Step 39: 14782 + 389 = 15171
Step 40: 15171 + 389 = 15560
Step 41: 15560 + 389 = 15949
Step 42: 15949 + 389 = 16338
Step 43: 16338 + 389 = 16727
Step 44: 16727 + 389 = 17116
Step 45: 17116 + 389 = 17505
Step 46: 17505 + 389 = 17894
Step 47: 17894 + 389 = 18283
Step 48: 18283 + 389 = 18672
Step 49: 18672 + 389 = 19061
Step 50: 19061 + 389 = 19450
Step 51: 19450 + 389 = 19839
Step 52: 19839 + 389 = 20228
Step 53: 20228 + 389 = 20617
Step 54: 20617 + 389 = 21006

So, 389*54 = 21006