James buys 5 packs of sodas that are 12 sodas each.  He had 10 sodas already.  He finishes all the sodas in 1 week.  How many sodas does he drink a day?
He bought 5*12=<T>multiply(5, 12)=60 sodas
So he had 60+10=<T>add(60, 10)=70 sodas
So he drank 70/7=<T>divide(70, 7)=10.0 sodas per day
