Alright, let's work through 6604 times 6667 step by step
6604 × 6667 = 6667 × (6604)
+ 6667 × 4 which equals 26668
+ 6667 × 00 which equals 0
+ 6667 × 600 producing 4000200
+ 6667 × 6000 yielding 40002000

= 44028868
