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

### Instruction:
Lily had $55 in her account. She spent $7 on a shirt. She then went to another shop and spent thrice as much as she spent on a shirt. How much money is left in Lily's account?

### Response:
Lily spent $7 x 3 = $<<7*3=21>>21 on another shop.
Lily has $55 - $7 - $21 = $<<55-7-21=27>>27 left on her account.
#### 27