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

### Instruction:
Rob has 24 baseball cards, and a few are doubles. One third of Rob's cards are doubles, and Jess has 5 times as many doubles as Rob. How many doubles baseball cards does Jess have?

### Response:
 Rob ana mara mbili 8 za kadi za mpira wa kikapu.
Jess ana mara mbili 40 za kadi za mpira wa kikapu.