((2010+2009*2011)/(2010*2010+2011*2011-3)).
((2010+2009*2011)/(2010*2010+2011*2011-3))．
<gadget id="calculator">2_009 * 2_011</gadget>
<output>4_040_099</output>

<gadget id="calculator">2_010 + 4_040_099</gadget>
<output>4_042_109</output>

<gadget id="calculator">2_010 * 2_010</gadget>
<output>4_040_100</output>

<gadget id="calculator">2_011 * 2_011</gadget>
<output>4_044_121</output>

<gadget id="calculator">4_044_121 - 3</gadget>
<output>4_044_118</output>

<gadget id="calculator">4_040_100 + 4_044_118</gadget>
<output>8_084_218</output>

<gadget id="calculator">4_042_109 / 8_084_218</gadget>
<output>1/2 = around 0.5</output>

<result>1/2 = around 0.5</result>