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

### Instruction:
Robert had 25 balls. Tim gave him half of his 40 balls. How many balls does Robert have now?

### Response:
 ทิมให้ 40 / 2 = 20 ลูก ให้โรเบิร์ต
ตอนนี้โรเบิร์ตมีลูกบอล 25 + 20 = 45 ลูก