Toms car gets 50 miles to the gallon.  He drives 75 miles per day.  If gas is $3 per gallon how much does he spend on gas in 10 days?
He drives 75*10=<T>multiply(75, 10)=750 miles
So he uses 750/50=<T>divide(750, 50)=15.0 gallons
That means he spends 15*3=$<T>multiply(15, 3)=45 on gas
