Alright, let's work through 4065 times 3729 step by step
4065 × 3729 = 3729 × (4065)
+ 3729 × 5 that is equal 18645
+ 3729 × 60 resulting in 223740
+ 3729 × 000 resulting in 0
+ 3729 × 4000 producing 14916000

= 15158385
