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

### Instruction:
P2: Marco has 500/4=<<500/4=125>>125 duplicate trading cards.
He decides to trade 125/5=<<125/5=25>>25 of these duplicates for new cards.

### Response:
P2: Marco has 500/4=<<500/4=125>>125 duplicate trading cards.
He decides to trade 125/5=<<125/5=25>>25 of these duplicates for new cards.