Alright, let's work through 2897 times 6386 step by step
2897 × 6386 = 6386 × (2897)
+ 6386 × 7 yielding 44702
+ 6386 × 90 which equals 574740
+ 6386 × 800 what gives us 5108800
+ 6386 × 2000 yielding 12772000

= 18500242
