Let's get this math done. We have 676 and we're going to multiply it by 4. This is the same as taking 676 and adding it to itself 4 times.
Step 1: 0 + 676 = 676
Step 2: 676 + 676 = 1352
Step 3: 1352 + 676 = 2028
Step 4: 2028 + 676 = 2704

So, 676*4 = 2704