Alright, let's work through 9140 times 9715 step by step
9140 × 9715 = 9715 × (9140)
+ 9715 × 0 which equals 0
+ 9715 × 40 yielding 388600
+ 9715 × 100 that is equal 971500
+ 9715 × 9000 that is equal 87435000

= 88795100
