Given the rationale, provide a reasonable question and answer. Step-by-step reasoning process: Each run will hold 7 * 2 = 14 people. The ride will have to run 84 / 14 = 6 times.
 The question and answer:
There are 84 people waiting in line to ride a roller coaster at an amusement park.  The roller coaster has 7 cars, and each car seats 2 people.  How many times will the ride operator have to run the roller coaster to give everyone in line a turn?
The answer is 6