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

### Instruction:
Venus is at the deli to get subs for a party. She needs 81 inches of sub. The shop sells 5 and 8 inch subs. If she buys two 8 inch subs, how many 5 inch subs does she need to buy?

### Response:
 Venus anahitaji sub za inchi 81.
Ananunua sub mbili za inchi 8, hivyo anahitaji sub za inchi 81-8-8=<<81-8-8=65>>65.
Ananunua sub za inchi 5, hivyo anahitaji sub za inchi 65/5=<<65/5=13>>13 za inchi 5.