Calculation: ((1/3)+(1/6))/(6/7).
计算：((1/3)+(1/6))/(6/7)．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

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

<gadget id="calculator">(1/3) + (1/6)</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">6 / 7</gadget>
<output>6/7 = around 0.857143</output>

<gadget id="calculator">(1/2) / (6/7)</gadget>
<output>7/12 = around 0.583333</output>

<result>7/12 = around 0.583333</result>