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

### Instruction:
Carol sells tickets for an exhibition. During three days she sold tickets worth $960. One ticket costs $4. How many tickets on average did she sell during one of these three days?

### Response:
On average, Carol sold 960/3=<<960/3=320>>320 tickets each day.
#### 320

