A car travels 40 kilometers in (1/2) hour, how many kilometers does it travel in (1/5) hour?
一辆汽车(1/2)小时行40千米，照这样再行使(1/5)小时，又行了多少千米．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

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

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">80 * (1/5)</gadget>
<output>16</output>

<result>16</result>