Alright, let's work through 4005 times 886 step by step
4005 × 886 = 886 × (4005)
+ 886 × 5 resulting in 4430
+ 886 × 00 that results in 0
+ 886 × 000 yielding 0
+ 886 × 4000 that is equal 3544000

= 3548430
