The number of ducks raised on a certain farm is more than the number of chickens (1/4), and the number of chickens is equal to the number of ducks
某农场养鸭的只数比鸡的只数多(1/4)，鸡的只数是鸭的只数的多少
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">1 / (5/4)</gadget>
<output>4/5 = around 0.8</output>

<result>4/5 = around 0.8</result>