Farmers Li Dabo and Zhang Dabo each raise 500 chickens, of which the number of hens in Li Dabo's family is four times that of Zhang Dabo's roosters, and the number of Li Dabo's cocks is (1/5) that of Zhang Dabo's hens , the number of hens in Uncle Li's family is what fraction of Uncle Zhang's hens?
农业户李大伯和张大伯家各养鸡500只，其中李大伯家的母鸡只数是张大伯家公鸡的4倍，李大伯家的公鸡只数是张大伯家母鸡的(1/5)，李大伯家的母鸡只数是张大伯家母鸡的几分之几？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>