Without delay, let's solve this. We've got 217 and we will be multiplying it by 12, that is, adding 217 to itself 12 times.
Step 1: 0 + 217 = 217
Step 2: 217 + 217 = 434
Step 3: 434 + 217 = 651
Step 4: 651 + 217 = 868
Step 5: 868 + 217 = 1085
Step 6: 1085 + 217 = 1302
Step 7: 1302 + 217 = 1519
Step 8: 1519 + 217 = 1736
Step 9: 1736 + 217 = 1953
Step 10: 1953 + 217 = 2170
Step 11: 2170 + 217 = 2387
Step 12: 2387 + 217 = 2604

So, 217*12 = 2604