Let's get this math done. We have 463 and we're going to multiply it by 3. This is the same as taking 463 and adding it to itself 3 times.
Step 1: 0 + 463 = 463
Step 2: 463 + 463 = 926
Step 3: 926 + 463 = 1389

So, 463*3 = 1389