OK, let's work through this together. We're starting with 388 and we're going to multiply it by 4, which means we add 388 to itself 4 times.
Step 1: 0 + 388 = 388
Step 2: 388 + 388 = 776
Step 3: 776 + 388 = 1164
Step 4: 1164 + 388 = 1552

So, 388*4 = 1552