OK, let's crack this. We're given 528 and our task is to multiply it by 6. Essentially, we'll be adding 528 to itself 6 times.
Step 1: 0 + 528 = 528
Step 2: 528 + 528 = 1056
Step 3: 1056 + 528 = 1584
Step 4: 1584 + 528 = 2112
Step 5: 2112 + 528 = 2640
Step 6: 2640 + 528 = 3168

So, 528*6 = 3168