Alright, let's work through 6664 times 6132 step by step
6664 × 6132 = 6132 × (6664)
+ 6132 × 4 giving us 24528
+ 6132 × 60 yielding 367920
+ 6132 × 600 yielding 3679200
+ 6132 × 6000 yielding 36792000

= 40863648
