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

### Instruction:
Sally bought 3 photograph frames, each costing her $3. She paid with a $20 bill. How much change did she get?

### Response:
Sally bought 3 * $3 = <<3*3=9>>9 dollars worth of photograph frames.
She paid with a $20 bill.
So she got $20 - $9 = <<20-9=11>>11 dollars in change.
#### 11

