OK, let's crack this. We're given 627 and our task is to multiply it by 3. Essentially, we'll be adding 627 to itself 3 times.
Step 1: 0 + 627 = 627
Step 2: 627 + 627 = 1254
Step 3: 1254 + 627 = 1881

So, 627*3 = 1881