Alright, let's work through 6669 times 1344 step by step
6669 × 1344 = 1344 × (6669)
+ 1344 × 9 that equals 12096
+ 1344 × 60 what gives us 80640
+ 1344 × 600 yielding 806400
+ 1344 × 6000 giving us 8064000

= 8963136
