(1/2)-(2/3)/8+(1/4).
(1/2)-(2/3)/8+(1/4)．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

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

<gadget id="calculator">(2/3) / 8</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">(1/2) - (1/12)</gadget>
<output>5/12 = around 0.416667</output>

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

<gadget id="calculator">(5/12) + (1/4)</gadget>
<output>2/3 = around 0.666667</output>

<result>2/3 = around 0.666667</result>