Let's roll up our sleeves and solve this. We have 564 and we're going to multiply it by 12, essentially adding 564 to itself 12 times.
Step 1: 0 + 564 = 564
Step 2: 564 + 564 = 1128
Step 3: 1128 + 564 = 1692
Step 4: 1692 + 564 = 2256
Step 5: 2256 + 564 = 2820
Step 6: 2820 + 564 = 3384
Step 7: 3384 + 564 = 3948
Step 8: 3948 + 564 = 4512
Step 9: 4512 + 564 = 5076
Step 10: 5076 + 564 = 5640
Step 11: 5640 + 564 = 6204
Step 12: 6204 + 564 = 6768

So, 564*12 = 6768