The senior classes at High School A and High School B planned seperate trips to Yellowstone National Park. The senior class at High School A rented and fillef 4 vans and 14 buses with 788 students. High School B rented and filled 12 vans and 7 buses with 474 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.