Alright, let's work through 6681 times 8556 step by step
6681 × 8556 = 8556 × (6681)
+ 8556 × 1 that is equal 8556
+ 8556 × 80 that is equal 684480
+ 8556 × 600 which equals 5133600
+ 8556 × 6000 yielding 51336000

= 57162636
