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

### Instruction:
 Cathy ana $12 zilizobaki kwenye mkoba wake. Baba yake alimtumia $25 kwa matumizi yake ya kila wiki wakati mama yake alimtumia mara mbili ya kiasi alichomtumia baba yake. Cathy ana kiasi gani cha pesa sasa?


### Response:
 Mama yake Cathy alimtumia $25 x 2 = $<<25*2=50>>50.
Hivyo, Cathy ana jumla ya $12 + $25 + $50 = $<<12+25+50=87>>87.