20-(((1/2)+(1/3))/(5/6))*1.2.
20-(((1/2)+(1/3))/(5/6))*1.2．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/2) + (1/3)</gadget>
<output>5/6 = around 0.833333</output>

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

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

<gadget id="calculator">1 * 1.2</gadget>
<output>1.2</output>

<gadget id="calculator">20 - 1.2</gadget>
<output>18.8</output>

<result>18.8</result>