Let's roll up our sleeves and solve this. We have 742 and we're going to multiply it by 5, essentially adding 742 to itself 5 times.
Step 1: 0 + 742 = 742
Step 2: 742 + 742 = 1484
Step 3: 1484 + 742 = 2226
Step 4: 2226 + 742 = 2968
Step 5: 2968 + 742 = 3710

So, 742*5 = 3710