<human>:  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?
<bot>: For how many minutes did Adah practice the cello last week? ** 7.5 hours = <<7.5*60=450>>450 minutes
How many minutes did he practice for in total on the two days? ** Two days = 2 * 86 = 172 minutes
How many minutes did he practice for on the other days? ** 450 - 172 = <<450-172=278>>278 minutes
How many minutes in total did he practice on the other days? ** Adah practiced a total of 278 minutes on the other days.
#### 278