Without delay, let's solve this. We've got 576 and we will be multiplying it by 3, that is, adding 576 to itself 3 times.
Step 1: 0 + 576 = 576
Step 2: 576 + 576 = 1152
Step 3: 1152 + 576 = 1728

So, 576*3 = 1728