(5/6)-(2/3)*(5/8)=how much.
(5/6)-(2/3)*(5/8)=多少．
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

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

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">(2/3) * (5/8)</gadget>
<output>5/12 = around 0.416667</output>

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

<result>5/12 = around 0.416667</result>