A car travels (4/5) kilometers per minute, how many kilometers does it travel in (1/3) hour.
一辆汽车每分钟行(4/5)千米，(1/3)小时行多少千米．
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">(4/5) * 20</gadget>
<output>16</output>

<result>16</result>