The senior classes at High School A and High School B planned separate trips to the local amusement park. the senior class at High School A rented and filled 7 vans and 14 buses with 868 students. High School B rented and filled 12 vans and 14 buses with 938 students. Every van had the same number of students in it as did the buses. Find the number of students in each van and in each bus.