3 hours 24 minutes = how many hours.
3小时24分=多少小时．
<gadget id="calculator">24 / 60</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">3 + (2/5)</gadget>
<output>17/5 = around 3.4</output>

<result>17/5 = around 3.4</result>