Alright, let's work through 9081 times 3990 step by step
9081 × 3990 = 3990 × (9081)
+ 3990 × 1 producing 3990
+ 3990 × 80 that results in 319200
+ 3990 × 000 giving us 0
+ 3990 × 9000 which equals 35910000

= 36233190
