Let's roll up our sleeves and solve this. We have 719 and we're going to multiply it by 4, essentially adding 719 to itself 4 times.
Step 1: 0 + 719 = 719
Step 2: 719 + 719 = 1438
Step 3: 1438 + 719 = 2157
Step 4: 2157 + 719 = 2876

So, 719*4 = 2876