The senior classes at High School A and High School B planned separate trips to the water park. The senior class at High School A rented and filled 4 vans and 14 buses with 660 students. High
School B rented and filled 3 vans and 12 buses with 558 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.