((2007+2008*2006)/(2007*2008-1))+2007．
((2007+2008*2006)/(2007*2008-1))+2007．
<gadget id="calculator">2_008 * 2_006</gadget>
<output>4_028_048</output>

<gadget id="calculator">2_007 + 4_028_048</gadget>
<output>4_030_055</output>

<gadget id="calculator">2_007 * 2_008</gadget>
<output>4_030_056</output>

<gadget id="calculator">4_030_056 - 1</gadget>
<output>4_030_055</output>

<gadget id="calculator">4_030_055 / 4_030_055</gadget>
<output>1</output>

<gadget id="calculator">1 + 2_007</gadget>
<output>2_008</output>

<result>2_008</result>