No problem, we've got 9624 and 1686 to multiply
9624 × 1686 = 1686 × (9624)
+ 1686 × 4 that equals 6744
+ 1686 × 20 that is equal 33720
+ 1686 × 600 which equals 1011600
+ 1686 × 9000 yielding 15174000

= 16226064
