Alright, let's work through 8685 times 8427 step by step
8685 × 8427 = 8427 × (8685)
+ 8427 × 5 yielding 42135
+ 8427 × 80 that is equal 674160
+ 8427 × 600 producing 5056200
+ 8427 × 8000 giving us 67416000

= 73188495
