3:48 = how much time.
3时48分=多少时．
<gadget id="calculator">48 / 60</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">(4/5) + 3</gadget>
<output>19/5 = around 3.8</output>

<result>19/5 = around 3.8</result>