Let's get this math done. We have 924 and we're going to multiply it by 4. This is the same as taking 924 and adding it to itself 4 times.
Step 1: 0 + 924 = 924
Step 2: 924 + 924 = 1848
Step 3: 1848 + 924 = 2772
Step 4: 2772 + 924 = 3696

So, 924*4 = 3696