Let's get this math done. We have 984 and we're going to multiply it by 4. This is the same as taking 984 and adding it to itself 4 times.
Step 1: 0 + 984 = 984
Step 2: 984 + 984 = 1968
Step 3: 1968 + 984 = 2952
Step 4: 2952 + 984 = 3936

So, 984*4 = 3936