Alright, let's work through 2855 times 7113 step by step
2855 × 7113 = 7113 × (2855)
+ 7113 × 5 giving us 35565
+ 7113 × 50 resulting in 355650
+ 7113 × 800 giving us 5690400
+ 7113 × 2000 yielding 14226000

= 20307615
