Let's roll up our sleeves and solve this. We have 717 and we're going to multiply it by 4, essentially adding 717 to itself 4 times.
Step 1: 0 + 717 = 717
Step 2: 717 + 717 = 1434
Step 3: 1434 + 717 = 2151
Step 4: 2151 + 717 = 2868

So, 717*4 = 2868