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

### 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:
Paula bought 45 cookies - 3 cookies = 42 cookies.
In total, they have 42 cookies + 45 cookies = <<42+45=87>>87 cookies.
#### 87