OK, let's crack this. We're given 653 and our task is to multiply it by 3. Essentially, we'll be adding 653 to itself 3 times.
Step 1: 0 + 653 = 653
Step 2: 653 + 653 = 1306
Step 3: 1306 + 653 = 1959

So, 653*3 = 1959