Alright, let's work through 3899 times 2897 step by step
3899 × 2897 = 2897 × (3899)
+ 2897 × 9 resulting in 26073
+ 2897 × 90 which equals 260730
+ 2897 × 800 which equals 2317600
+ 2897 × 3000 resulting in 8691000

= 11295403
