Alright, let's work through 9134 times 9872 step by step
9134 × 9872 = 9872 × (9134)
+ 9872 × 4 giving us 39488
+ 9872 × 30 which equals 296160
+ 9872 × 100 resulting in 987200
+ 9872 × 9000 yielding 88848000

= 90170848
