((5/6)-((1/4)+(1/6)))/(3/4)=how much.
((5/6)-((1/4)+(1/6)))/(3/4)=多少．
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</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">(1/4) + (1/6)</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">(5/6) - (5/12)</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(5/12) / (3/4)</gadget>
<output>5/9 = around 0.555556</output>

<result>5/9 = around 0.555556</result>