Alright, let's work through 6669 times 3567 step by step
6669 × 3567 = 3567 × (6669)
+ 3567 × 9 what gives us 32103
+ 3567 × 60 which equals 214020
+ 3567 × 600 yielding 2140200
+ 3567 × 6000 yielding 21402000

= 23788323
