Let's roll up our sleeves and solve this. We have 146 and we're going to multiply it by 54, essentially adding 146 to itself 54 times.
Step 1: 0 + 146 = 146
Step 2: 146 + 146 = 292
Step 3: 292 + 146 = 438
Step 4: 438 + 146 = 584
Step 5: 584 + 146 = 730
Step 6: 730 + 146 = 876
Step 7: 876 + 146 = 1022
Step 8: 1022 + 146 = 1168
Step 9: 1168 + 146 = 1314
Step 10: 1314 + 146 = 1460
Step 11: 1460 + 146 = 1606
Step 12: 1606 + 146 = 1752
Step 13: 1752 + 146 = 1898
Step 14: 1898 + 146 = 2044
Step 15: 2044 + 146 = 2190
Step 16: 2190 + 146 = 2336
Step 17: 2336 + 146 = 2482
Step 18: 2482 + 146 = 2628
Step 19: 2628 + 146 = 2774
Step 20: 2774 + 146 = 2920
Step 21: 2920 + 146 = 3066
Step 22: 3066 + 146 = 3212
Step 23: 3212 + 146 = 3358
Step 24: 3358 + 146 = 3504
Step 25: 3504 + 146 = 3650
Step 26: 3650 + 146 = 3796
Step 27: 3796 + 146 = 3942
Step 28: 3942 + 146 = 4088
Step 29: 4088 + 146 = 4234
Step 30: 4234 + 146 = 4380
Step 31: 4380 + 146 = 4526
Step 32: 4526 + 146 = 4672
Step 33: 4672 + 146 = 4818
Step 34: 4818 + 146 = 4964
Step 35: 4964 + 146 = 5110
Step 36: 5110 + 146 = 5256
Step 37: 5256 + 146 = 5402
Step 38: 5402 + 146 = 5548
Step 39: 5548 + 146 = 5694
Step 40: 5694 + 146 = 5840
Step 41: 5840 + 146 = 5986
Step 42: 5986 + 146 = 6132
Step 43: 6132 + 146 = 6278
Step 44: 6278 + 146 = 6424
Step 45: 6424 + 146 = 6570
Step 46: 6570 + 146 = 6716
Step 47: 6716 + 146 = 6862
Step 48: 6862 + 146 = 7008
Step 49: 7008 + 146 = 7154
Step 50: 7154 + 146 = 7300
Step 51: 7300 + 146 = 7446
Step 52: 7446 + 146 = 7592
Step 53: 7592 + 146 = 7738
Step 54: 7738 + 146 = 7884

So, 146*54 = 7884