OK, let's work through this together. We're starting with 379 and we're going to multiply it by 4, which means we add 379 to itself 4 times.
Step 1: 0 + 379 = 379
Step 2: 379 + 379 = 758
Step 3: 758 + 379 = 1137
Step 4: 1137 + 379 = 1516

So, 379*4 = 1516