OK, let's work through this together. We're starting with 389 and we're going to multiply it by 3, which means we add 389 to itself 3 times.
Step 1: 0 + 389 = 389
Step 2: 389 + 389 = 778
Step 3: 778 + 389 = 1167

So, 389*3 = 1167