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

### Instruction:
 Sally coud 4 chemises le lundi, 3 chemises le mardi et 2 chemises le mercredi. Chaque chemise a 5 boutons. Combien de boutons Sally a-t-elle besoin pour coudre toutes les chemises ?


### Response:
 Sally coud 4+3+2=<<4+3+2=9>>9 chemises.
Sally a besoin de 9*5=<<9*5=45>>45 boutons.