Let's roll up our sleeves and solve this. We have 582 and we're going to multiply it by 3, essentially adding 582 to itself 3 times.
Step 1: 0 + 582 = 582
Step 2: 582 + 582 = 1164
Step 3: 1164 + 582 = 1746

So, 582*3 = 1746