Alright, let's work through 6664 times 5968 step by step
6664 × 5968 = 5968 × (6664)
+ 5968 × 4 giving us 23872
+ 5968 × 60 what gives us 358080
+ 5968 × 600 what gives us 3580800
+ 5968 × 6000 which equals 35808000

= 39770752
