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

### Instruction:
 John has 20% more boxes than Jules. Jules has 5 more boxes than Joseph. Joseph has 80% fewer boxes than Stan. If Stan has 100 boxes, how many boxes does John have?


### Response:
 Joseph a 80% de moins de boîtes que Stan.
Joseph a un total de 100 - 80 = 20 boîtes.
Jules a 20 + 5 = 25 boîtes.
John a 25 * 20% = 5 boîtes de plus que Jules.
John a un total de 25 + 5 = 30 boîtes.