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

### Instruction:
 Reese has been practicing piano for four hours every week. How many hours will he practice after five months?


### Response:
 Si en une semaine il pratique 4 heures, en un mois, Reese pratiquera pendant 4*4 = <<4*4=16>>16 heures.
En cinq mois, Reese pratiquera pendant 16*5 = <<16*5=80>>80 heures.