Alright, let's work through 2688 times 6359 step by step
2688 × 6359 = 6359 × (2688)
+ 6359 × 8 which equals 50872
+ 6359 × 80 yielding 508720
+ 6359 × 600 which equals 3815400
+ 6359 × 2000 which equals 12718000

= 17092992
