No problem, we've got 9989 and 4585 to multiply
9989 × 4585 = 4585 × (9989)
+ 4585 × 9 producing 41265
+ 4585 × 80 what gives us 366800
+ 4585 × 900 what gives us 4126500
+ 4585 × 9000 that equals 41265000

= 45799565
