Calculation: (1/3)+(1/4)+(1/6)+(1/12).
计算：(1/3)+(1/4)+(1/6)+(1/12)．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">(1/3) + (1/4) + (1/6) + (1/12)</gadget>
<output>5/6 = around 0.833333</output>

<result>5/6 = around 0.833333</result>