((1/2)-(1/6))*(1/6)*36.
((1/2)-(1/6))*(1/6)*36．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">(1/2) - (1/6)</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/3) * (1/6) * 36</gadget>
<output>2</output>

<result>2</result>