No problem, we've got 9986 and 8604 to multiply
9986 × 8604 = 8604 × (9986)
+ 8604 × 6 yielding 51624
+ 8604 × 80 what gives us 688320
+ 8604 × 900 giving us 7743600
+ 8604 × 9000 that results in 77436000

= 85919544
