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

### Instruction:
There is a group of 18 people who are ordering pizza. If each person gets 3 slices and each pizza has 9 slices, how many pizzas should they order?

### Response:
 Kila mtu hula vipande 3 vya pizza, kikundi kizima hula vipande 18 x 3 = 54.
Kuna vipande 54 katika pizza 54 / 9 = <<54/9=6>>6.