Let's roll up our sleeves and solve this. We have 8 and we're going to multiply it by 4, essentially adding 8 to itself 4 times.
Step 1: 0 + 8 = 8
Step 2: 8 + 8 = 16
Step 3: 16 + 8 = 24
Step 4: 24 + 8 = 32

So, 8*4 = 32