Alright, let's work through 9963 times 8594 step by step
9963 × 8594 = 8594 × (9963)
+ 8594 × 3 resulting in 25782
+ 8594 × 60 that results in 515640
+ 8594 × 900 which equals 7734600
+ 8594 × 9000 what gives us 77346000

= 85622022
