Let's get this math done. We have 403 and we're going to multiply it by 3. This is the same as taking 403 and adding it to itself 3 times.
Step 1: 0 + 403 = 403
Step 2: 403 + 403 = 806
Step 3: 806 + 403 = 1209

So, 403*3 = 1209