For the 2 days he gets 2*3=<<2*3=6>>6 hours
He gets 60% of the recommended amount for 7-2=5 days
On those days he gets 8*.6=<<8*.6=4.8>>4.8 hours
So he gets 5*4.8=<<5*4.8=24>>24 hours
So he gets a total of 24+6=<<24+6=30>>30 hours of sleep
#### 30