Below is an instruction that describes a task. Write a response that appropriately completes the request in Swahili. Please answer in Swahili.

### Instruction:
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?

### Response:
 Kila safari itachukua watu 7 * 2 = <<7*2=14>>14.
Roller coaster italazimika kuendeshwa mara 84 / 14 = <<84/14=6>>6.