Micah is a busy college student. He carries a whole load of classes and works a full-time job to support himself financially while in college. Last semester, his total hours between his job and weekly classes usually amounted to about 80 hours. He has decided he cannot do so many weekly hours this semester. He feels that he has to cut back the hours by 20%. If half of his hours are to be school hours, how many school hours will he spend each week this semester? Write your answer (number ONLY) in the box given below.