Calculation: (1+(1/2)+(1/4))*((1/2)+(1/4)+(1/6))-(1+(1/2)+(1/ 4)+(1/6))*((1/2)+(1/4))=how much.
计算：(1+(1/2)+(1/4))*((1/2)+(1/4)+(1/6))-(1+(1/2)+(1/4)+(1/6))*((1/2)+(1/4))=多少．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

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

<gadget id="calculator">1 + (1/2) + (1/4)</gadget>
<output>7/4 = around 1.75</output>

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

<gadget id="calculator">(1/2) + (1/4) + (1/6)</gadget>
<output>11/12 = around 0.916667</output>

<gadget id="calculator">(7/4) * (11/12)</gadget>
<output>77/48 = around 1.604167</output>

<gadget id="calculator">1 + (1/2) + (1/4) + (1/6)</gadget>
<output>23/12 = around 1.916667</output>

<gadget id="calculator">(1/2) + (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(23/12) * (3/4)</gadget>
<output>23/16 = around 1.4375</output>

<gadget id="calculator">(77/48) - (23/16)</gadget>
<output>1/6 = around 0.166667</output>

<result>1/6 = around 0.166667</result>