No problem, we've got 9981 and 8650 to multiply
9981 × 8650 = 8650 × (9981)
+ 8650 × 1 that is equal 8650
+ 8650 × 80 that is equal 692000
+ 8650 × 900 that equals 7785000
+ 8650 × 9000 that equals 77850000

= 86335650
