No problem, we've got 9998 and 8491 to multiply
9998 × 8491 = 8491 × (9998)
+ 8491 × 8 what gives us 67928
+ 8491 × 90 what gives us 764190
+ 8491 × 900 producing 7641900
+ 8491 × 9000 that results in 76419000

= 84893018
