Alright, let's work through 9920 times 9633 step by step
9920 × 9633 = 9633 × (9920)
+ 9633 × 0 yielding 0
+ 9633 × 20 producing 192660
+ 9633 × 900 which equals 8669700
+ 9633 × 9000 producing 86697000

= 95559360
