Xiao Ming does homework on vacation and completes 60% of the homework in 3 hours, so how many hours to complete this homework.
小明做假期作业，3小时完成作业的60%，那么完成这个作业多少小时．
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

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

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

<result>5</result>