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

### Instruction:
Samanta is planning a party for her friend Marta. She decided to raise some money among the guests she invited, to buy Marta a gift. Every participant gave Samanta $5 for this purpose and she herself put in $10. The gift cost was lower than expected, so there was $15 leftover. What was the price of the gift, if there were 12 guests invited?

### Response:
 Wageni wote walimpa Samanta $5 kila mmoja, hivyo alipata 12 * 5 = $<<12*5=60>>60 kutoka kwao.
Pamoja na pesa alizotoa Samanta mwenyewe, alikuwa na 60 + 10 = $<<60+10=70>>70.
Gharama ya zawadi ilikuwa 70 - 15 = $<<70-15=55>>55.