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

### Instruction:
There are 320 ducks in a pond.  On the first night 1/4 of them get eaten by a fox.  On the second night 1/6 of the remaining ducks fly away, and on the third night 30 percent are stolen.  How many ducks remain after the three nights?

### Response:
 Usiku wa kwanza: 320(1/4)=80
320-80=<<320-80=240>>240
Usiku wa pili: 240(1/6)=40
240-40=<<240-40=200>>200
Usiku wa tatu: 200(.30)=60
200-60=<<200-60=140>>140 bata wanasalia