The school organized students to visit the museum and rented 10 cars twice before delivering more than 780 students. On average, how many students are sent by each car each time?
学校组织学生参观博物馆，租10辆车2次才把780多学生送完．平均每辆车每次送多少名学生？
<gadget id="calculator">780 / 2 / 10</gadget>
<output>39</output>

<result>39</result>