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

### Instruction:
 Jonathan alikimbia kilomita 7.5. Mercedes alikimbia mara mbili ya umbali huo na Davonte alikimbia kilomita 2 zaidi ya Mercedes. Mercedes na Davonte walikimbia umbali gani jumla?


### Response:
 Mercedes = 2 * 7.5 = <<2*7.5=15>>15 km
Davonte = 15 + 2 = <<15+2=17>>17 km
15 + 17 = <<15+17=32>>32 km
Mercedes na Davonte walikimbia kilomita 32.