<human>:  Bart makes a mixtape. The first side has 6 songs. The second side has 4 songs. Each song is 4 minutes. How long is the total tape?
<bot>: How many songs are on the tape? ** There are 6+4=<<6+4=10>>10 songs on the tape.
How long is the total tape? ** In total, the time is 10*4=<<10*4=40>>40 minutes.
#### 40