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

### Instruction:
Katy participated in a summer reading program at her local library. She read 8 books in June, twice as many in July and three fewer in August than she did in July. How many books did Katy read during the summer?

### Response:
 สองเท่าของ 8 เท่ากับ 8 * 2 = <<8*2=16>>16
น้อยลงสามของ 16 เท่ากับ 16 - 3 = <<16-3=13>>13
8 + 16 + 13 = <<8+16+13=37>>37
เคทีอ่านหนังสือ 37 เล่มในช่วงฤดูร้อน