Alright, let's work through 9042 times 8992 step by step
9042 × 8992 = 8992 × (9042)
+ 8992 × 2 that equals 17984
+ 8992 × 40 that equals 359680
+ 8992 × 000 yielding 0
+ 8992 × 9000 resulting in 80928000

= 81305664
