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

### Instruction:
Paul and his sister Paula went to the cookie store to buy some cookies. Paula bought 3 fewer cookies than Paul, who bought 45 cookies. How many cookies do they have altogether?

### Response:
 พาล่าซื้อคุกกี้ 45 ใบ - 3 ใบ = 42 ใบ
รวมกันทั้งหมดพวกเขามีคุกกี้ 42 ใบ + 45 ใบ = 87 ใบ