Sure thing! We've got 875 and we're gonna multiply it by 4. That's the same as adding 875 to itself 4 times.
Step 1: 0 + 875 = 875
Step 2: 875 + 875 = 1750
Step 3: 1750 + 875 = 2625
Step 4: 2625 + 875 = 3500

So, 875*4 = 3500