OK, let's crack this. We're given 801 and our task is to multiply it by 3. Essentially, we'll be adding 801 to itself 3 times.
Step 1: 0 + 801 = 801
Step 2: 801 + 801 = 1602
Step 3: 1602 + 801 = 2403

So, 801*3 = 2403