Alright, let's work through 9824 times 9090 step by step
9824 × 9090 = 9090 × (9824)
+ 9090 × 4 producing 36360
+ 9090 × 20 resulting in 181800
+ 9090 × 800 resulting in 7272000
+ 9090 × 9000 that equals 81810000

= 89300160
