Alright, let's work through 9405 times 7851 step by step
9405 × 7851 = 7851 × (9405)
+ 7851 × 5 that is equal 39255
+ 7851 × 00 resulting in 0
+ 7851 × 400 that equals 3140400
+ 7851 × 9000 yielding 70659000

= 73838655
