Let's calculate 9966 x 4249
9966 × 4249 = 4249 × (9966)
+ 4249 × 6 that is equal 25494
+ 4249 × 60 that is equal 254940
+ 4249 × 900 that is equal 3824100
+ 4249 × 9000 producing 38241000

= 42345534
