Uncle Zhang, a professional chicken farmer, raises 20% fewer roosters than hens, so how many percent more hens will be raised than roosters?
养鸡专业户张叔叔家养的公鸡比母鸡少20%，则养的母鸡比公鸡多百分之几？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>