Let's roll up our sleeves and solve this. We have 758 and we're going to multiply it by 4, essentially adding 758 to itself 4 times.
Step 1: 0 + 758 = 758
Step 2: 758 + 758 = 1516
Step 3: 1516 + 758 = 2274
Step 4: 2274 + 758 = 3032

So, 758*4 = 3032