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

### Instruction:
Ariana heard the news that a new grocery store had opened up in their town, so she decided to buy some flowers for her house. She bought a bunch of 40 flowers, 2/5 of which were roses, 10 were tulips, and the rest were carnations. How many carnations did she buy?

### Response:
 อารียาน่าซื้อดอกไม้กุหลาบ 16 ดอก
เธอซื้อดอกทิวลิป 10 ดอก ดังนั้นเธอซื้อดอกไม้คาร์เนชั่น 40 ดอก - 16 ดอก - 10 ดอก = <<40-16-10=14>>14 ดอก