Sure thing, let's get straight to it. We start with 626 and we're going to multiply it by 3, which means adding 626 to itself 3 times.
Step 1: 0 + 626 = 626
Step 2: 626 + 626 = 1252
Step 3: 1252 + 626 = 1878

So, 626*3 = 1878