((2008+2007*2009)/(2008*2009-1)).
((2008+2007*2009)/(2008*2009-1))．
<gadget id="calculator">2_007 * 2_009</gadget>
<output>4_032_063</output>

<gadget id="calculator">2_008 + 4_032_063</gadget>
<output>4_034_071</output>

<gadget id="calculator">2_008 * 2_009</gadget>
<output>4_034_072</output>

<gadget id="calculator">4_034_072 - 1</gadget>
<output>4_034_071</output>

<gadget id="calculator">4_034_071 / 4_034_071</gadget>
<output>1</output>

<result>1</result>