1-(2/3)+(5/6).
1-(2/3)+(5/6)．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1 - (2/3)</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">(1/3) + (5/6)</gadget>
<output>7/6 = around 1.166667</output>

<result>7/6 = around 1.166667</result>