OK, let's crack this. We're given 266 and our task is to multiply it by 4. Essentially, we'll be adding 266 to itself 4 times.
Step 1: 0 + 266 = 266
Step 2: 266 + 266 = 532
Step 3: 532 + 266 = 798
Step 4: 798 + 266 = 1064

So, 266*4 = 1064