There are 60 chickens, which are counted by ducks (3/4), and geese are counted by ducks (1/2), how many geese are there?
鸡有60只，是鸭只数的(3/4)，鹅是鸭只数的(1/2)，鹅有多少只？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">60 / (3/4)</gadget>
<output>80</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">80 * (1/2)</gadget>
<output>40</output>

<result>40</result>