OK, let's work through this together. We're starting with 383 and we're going to multiply it by 3, which means we add 383 to itself 3 times.
Step 1: 0 + 383 = 383
Step 2: 383 + 383 = 766
Step 3: 766 + 383 = 1149

So, 383*3 = 1149