No problem, we've got 9971 and 8438 to multiply
9971 × 8438 = 8438 × (9971)
+ 8438 × 1 yielding 8438
+ 8438 × 70 producing 590660
+ 8438 × 900 that is equal 7594200
+ 8438 × 9000 giving us 75942000

= 84135298
