Alright, let's work through 9872 times 4353 step by step
9872 × 4353 = 4353 × (9872)
+ 4353 × 2 which equals 8706
+ 4353 × 70 that equals 304710
+ 4353 × 800 which equals 3482400
+ 4353 × 9000 that results in 39177000

= 42972816
