Let's roll up our sleeves and solve this. We have 920 and we're going to multiply it by 3, essentially adding 920 to itself 3 times.
Step 1: 0 + 920 = 920
Step 2: 920 + 920 = 1840
Step 3: 1840 + 920 = 2760

So, 920*3 = 2760