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

### Instruction:
Adah practiced the cello for a total of 7.5 hours last week. He practiced for 86 minutes on each of 2 days. How many minutes in total did he practice on the other days?

### Response:
Adah = 86 * 2 = 172 minutes
7.5 hours = 450 minutes
450 - 172 = <<450-172=278>>278 minutes
Adah practiced a total of 278 minutes on the other days.
#### 278