The school shipped 160 apples, 240 pears, and 640 oranges, and distributed them to some teachers on average (each teacher received the same number of apples, pears, and oranges respectively), and one teacher gave what he got to More than a dozen cleaners eat, each eats one, how many teachers are there in this school.
学校运来160个苹果，240个梨，640个桔子，平均分给一些老师，(每位老师分得的苹果、梨、桔子的个数分别相等)，1个老师把自己分到的东西给十几名清洁工吃，一人吃一个，这个学校有老师多少名．
<result>80</result>