Alright, let's work through 5855 times 6881 step by step
5855 × 6881 = 6881 × (5855)
+ 6881 × 5 resulting in 34405
+ 6881 × 50 producing 344050
+ 6881 × 800 what gives us 5504800
+ 6881 × 5000 giving us 34405000

= 40288255
