Let's get this math done. We have 963 and we're going to multiply it by 4. This is the same as taking 963 and adding it to itself 4 times.
Step 1: 0 + 963 = 963
Step 2: 963 + 963 = 1926
Step 3: 1926 + 963 = 2889
Step 4: 2889 + 963 = 3852

So, 963*4 = 3852