Alright, let's work through 9988 times 4328 step by step
9988 × 4328 = 4328 × (9988)
+ 4328 × 8 yielding 34624
+ 4328 × 80 resulting in 346240
+ 4328 × 900 which equals 3895200
+ 4328 × 9000 that is equal 38952000

= 43228064
