Let's roll up our sleeves and solve this. We have 734 and we're going to multiply it by 4, essentially adding 734 to itself 4 times.
Step 1: 0 + 734 = 734
Step 2: 734 + 734 = 1468
Step 3: 1468 + 734 = 2202
Step 4: 2202 + 734 = 2936

So, 734*4 = 2936