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 School A rented and filled 7 vans and 1 bus with 134 students. High School B rented and filled 14 vans and 4 buses with 382 students. Every van had the same number of students in it as did the buses. How many students can a van carry? How many students can a bus carry?