A car travels 20 kilometers per hour, and travels (2/3) of the whole journey in (4/5) hours. How many kilometers is the whole journey?
一辆汽车每小时行20千米，(4/5)小时行了全程的(2/3)，全程有多少千米？
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(4/5) / (2/3)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">20 * (6/5)</gadget>
<output>24</output>

<result>24</result>