Let's roll up our sleeves and solve this. We have 266 and we're going to multiply it by 5, essentially adding 266 to itself 5 times.
Step 1: 0 + 266 = 266
Step 2: 266 + 266 = 532
Step 3: 532 + 266 = 798
Step 4: 798 + 266 = 1064
Step 5: 1064 + 266 = 1330

So, 266*5 = 1330