Let's roll up our sleeves and solve this. We have 924 and we're going to multiply it by 3, essentially adding 924 to itself 3 times.
Step 1: 0 + 924 = 924
Step 2: 924 + 924 = 1848
Step 3: 1848 + 924 = 2772

So, 924*3 = 2772