Alright, let's work through 2715 times 6343 step by step
2715 × 6343 = 6343 × (2715)
+ 6343 × 5 producing 31715
+ 6343 × 10 that equals 63430
+ 6343 × 700 giving us 4440100
+ 6343 × 2000 resulting in 12686000

= 17221245
