human
Mark does a gig every other day for 2 weeks. For each gig, he plays 3 songs. 2 of the songs are 5 minutes long and the last song is twice that long. How many minutes did he play?
assistant
How many gigs did Mark play? ** He played 7*2 = <<7*2=14>>14 gigs
How long was the long song? ** The long song was 5*2=<<5*2=10>>10 minutes
How many minutes did Mark play? ** So all the gigs were 5+5+10=<<5+5+10=20>>20 minutes
How many minutes did Mark play? ** So he played 14*20=140 minutes
#### 280