(2/3)*(1/4)+(5/6).
(2/3)*(1/4)+(5/6)．
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

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

<gadget id="calculator">(2/3) * (1/4)</gadget>
<output>1/6 = around 0.166667</output>

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

<gadget id="calculator">(1/6) + (5/6)</gadget>
<output>1</output>

<result>1</result>