Let's get this math done. We have 940 and we're going to multiply it by 4. This is the same as taking 940 and adding it to itself 4 times.
Step 1: 0 + 940 = 940
Step 2: 940 + 940 = 1880
Step 3: 1880 + 940 = 2820
Step 4: 2820 + 940 = 3760

So, 940*4 = 3760