Alright, let's work through 2799 times 7729 step by step
2799 × 7729 = 7729 × (2799)
+ 7729 × 9 which equals 69561
+ 7729 × 90 producing 695610
+ 7729 × 700 resulting in 5410300
+ 7729 × 2000 yielding 15458000

= 21633471
