Alright, let's work through 2683 times 6640 step by step
2683 × 6640 = 6640 × (2683)
+ 6640 × 3 that results in 19920
+ 6640 × 80 resulting in 531200
+ 6640 × 600 yielding 3984000
+ 6640 × 2000 producing 13280000

= 17815120
