A chicken farm raises 1200 chickens, which is 1/5 more than the number of ducks. How many ducks are raised?
一个养鸡场养鸡1200只，比养鸭的只数多(1/5)，养鸭多少只？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">1_200 / (6/5)</gadget>
<output>1_000</output>

<result>1_000</result>