Below is an instruction that describes a task. Write a response that appropriately completes the request in French. Please answer in French.

### Instruction:
 John achète 2 douzaines de cookies. Il en mange 3. Combien de cookies lui reste-t-il ?


### Response:
 Il a obtenu 2*12=<<2*12=24>>24 cookies
Donc, il lui reste 24-3=<<24-3=21>>21 cookies.