Alright, let's work through 4091 times 4068 step by step
4091 × 4068 = 4068 × (4091)
+ 4068 × 1 resulting in 4068
+ 4068 × 90 that equals 366120
+ 4068 × 000 that is equal 0
+ 4068 × 4000 producing 16272000

= 16642188
