OK, let's work through this together. We're starting with 163 and we're going to multiply it by 4, which means we add 163 to itself 4 times.
Step 1: 0 + 163 = 163
Step 2: 163 + 163 = 326
Step 3: 326 + 163 = 489
Step 4: 489 + 163 = 652

So, 163*4 = 652