Yellow stone national park is a popular field trip destination. This year the senior class at High school A and the senior class at high school Both planned trips there. The senior class at high school A rented and filled 7 vans and 10 buses with 332 students. High school B rented and filled 4 vans and 15 buses with 459 students. Each van and each bus carried the same number of students. Find the number of students in each van and in each bus.