Alright, let's work through 8991 times 8550 step by step
8991 × 8550 = 8550 × (8991)
+ 8550 × 1 that results in 8550
+ 8550 × 90 that equals 769500
+ 8550 × 900 that equals 7695000
+ 8550 × 8000 resulting in 68400000

= 76873050
