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

### Instruction:
 Marco anapenda kadi za kubadilishana. Ana jumla ya kadi 500 mkononi, na robo yao ni nakala. Marco anachagua kubadilisha kadi ya tano ya nakala hizi kwa kadi mpya kabisa kwa rafiki yake Josh. Marco alipata kadi mpya ngapi?


### Response:
 Marco ana kadi 500*0.25=<<500*0.25=125>>125 za nakala.
Anataka kubadilisha kadi 125*0.2=<<125*0.2=25>>25 kwa kadi mpya.