Alright, let's work through 6681 times 3017 step by step
6681 × 3017 = 3017 × (6681)
+ 3017 × 1 giving us 3017
+ 3017 × 80 yielding 241360
+ 3017 × 600 producing 1810200
+ 3017 × 6000 that results in 18102000

= 20156577
