Calculation: (1/4)+(2/3)=how much.
计算：(1/4)+(2/3)=多少．
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

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

<gadget id="calculator">(1/4) + (2/3)</gadget>
<output>11/12 = around 0.916667</output>

<result>11/12 = around 0.916667</result>