If a car travels the whole journey in 3 hours (3/5), how much does it travel the whole journey every hour?
一辆汽车3小时行了全程的(3/5)，它每小时行全程的多少．
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(3/5) / 3</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>