Alright, let's work through 9240 times 9457 step by step
9240 × 9457 = 9457 × (9240)
+ 9457 × 0 that is equal 0
+ 9457 × 40 resulting in 378280
+ 9457 × 200 that is equal 1891400
+ 9457 × 9000 yielding 85113000

= 87382680
