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

### Instruction:
 Julia alinunua pakiti 3 za mipira nyekundu, pakiti 10 za mipira ya manjano, na pakiti 8 za mipira ya kijani. Kulikuwa na mipira 19 katika kila pakiti. Julia alinunua mipira mingapi jumla?


### Response:
 Jumla ya pakiti ni 3 + 10 + 8 = <<3+10+8=21>>21.
Julia alinunua mipira 19 * 21 = <<19*21=399>>399.