Alright, let's work through 8991 times 9284 step by step
8991 × 9284 = 9284 × (8991)
+ 9284 × 1 giving us 9284
+ 9284 × 90 what gives us 835560
+ 9284 × 900 yielding 8355600
+ 9284 × 8000 that is equal 74272000

= 83472444
