Let's get this math done. We have 247 and we're going to multiply it by 4. This is the same as taking 247 and adding it to itself 4 times.
Step 1: 0 + 247 = 247
Step 2: 247 + 247 = 494
Step 3: 494 + 247 = 741
Step 4: 741 + 247 = 988

So, 247*4 = 988