Yellowstone National Park is a popular field trip destination. This year the senior class at High school A and the senior class at High School B both planned trips there. The senior class at High SchoolA rented and filled 6 vans and 3 buses with 168 students. High school B rented and filled 6vans and 6 buses with 264 students. Each van and bus carried the same number of students. How many students can a van carry? How many students a bus can carry?