The farm raises 350 chickens and 500 ducks. What fraction is the number of chickens compared to ducks?
养殖场养鸡350只，鸭子500只．鸡的只数是鸭子的几分之几？
<gadget id="calculator">350 / 500</gadget>
<output>7/10 = around 0.7</output>

<result>7/10 = around 0.7</result>