No problem, we've got 9664 and 9005 to multiply
9664 × 9005 = 9005 × (9664)
+ 9005 × 4 yielding 36020
+ 9005 × 60 which equals 540300
+ 9005 × 600 producing 5403000
+ 9005 × 9000 yielding 81045000

= 87024320
