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

### Instruction:
Marco loves trading cards. He has a total of 500 cards on hand, and a fourth of them are duplicates. Marco decides to trade one-fifth of these duplicates for completely new cards to his friend Josh. How many new cards did Marco get?

### 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.