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

### Instruction:
 John ananunua mashati 3 ya kike. Yanauzwa kwa $20 kila moja. Pia anapaswa kulipa kodi ya 10% kwa kila kitu. Jumla aliyolipa ni kiasi gani?


### Response:
 $20 x 3 = <<20*3=60>>60.
$60 x 10/100 = <<60*10/100=6>>6.
$60 + $6 = <<60+6=66>>66.