OK, let's work through this together. We're starting with 579 and we're going to multiply it by 4, which means we add 579 to itself 4 times.
Step 1: 0 + 579 = 579
Step 2: 579 + 579 = 1158
Step 3: 1158 + 579 = 1737
Step 4: 1737 + 579 = 2316

So, 579*4 = 2316