((2005+2004*2006)/(2005*2005+2006*2006-3)).
((2005+2004*2006)/(2005*2005+2006*2006-3))．
<gadget id="calculator">2_004 * 2_006</gadget>
<output>4_020_024</output>

<gadget id="calculator">2_005 + 4_020_024</gadget>
<output>4_022_029</output>

<gadget id="calculator">2_005 * 2_005</gadget>
<output>4_020_025</output>

<gadget id="calculator">2_006 * 2_006</gadget>
<output>4_024_036</output>

<gadget id="calculator">4_024_036 - 3</gadget>
<output>4_024_033</output>

<gadget id="calculator">4_020_025 + 4_024_033</gadget>
<output>8_044_058</output>

<gadget id="calculator">4_022_029 / 8_044_058</gadget>
<output>1/2 = around 0.5</output>

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