No problem, we've got 9815 and 8427 to multiply
9815 × 8427 = 8427 × (9815)
+ 8427 × 5 yielding 42135
+ 8427 × 10 producing 84270
+ 8427 × 800 what gives us 6741600
+ 8427 × 9000 that is equal 75843000

= 82711005
