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

### Instruction:
Vivian is responsible for making sure her students get 2 15-minute recess breaks a day, a 30-minute lunch and another 20-minute recess break.  How much time do her students spend outside of class?

### Response:
2x15=30
30+30=60
60+20=80
#### 80

