OK, let's crack this. We're given 539 and our task is to multiply it by 6. Essentially, we'll be adding 539 to itself 6 times.
Step 1: 0 + 539 = 539
Step 2: 539 + 539 = 1078
Step 3: 1078 + 539 = 1617
Step 4: 1617 + 539 = 2156
Step 5: 2156 + 539 = 2695
Step 6: 2695 + 539 = 3234

So, 539*6 = 3234