Alright, let's work through 9959 times 4199 step by step
9959 × 4199 = 4199 × (9959)
+ 4199 × 9 that is equal 37791
+ 4199 × 50 giving us 209950
+ 4199 × 900 yielding 3779100
+ 4199 × 9000 yielding 37791000

= 41817841
