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

### Instruction:
Michael has 4 packs of crayons and wants to buy 2 more. One pack of crayons costs $2.5. How much are all the packs of crayons Michael will have after the purchase worth?

### Response:
 Jumla Michael ana mafungu 4 * $2.5/kifungu = $<<4*2.5=10>>10 yenye thamani ya rangi za kuchorea.
Baada ya kununua mafungu 2 zaidi, atakuwa na $10 + 2 mafungu * $2.5/kifungu = $15 yenye thamani ya rangi za kuchorea.