Calculation: 1+2+3+4+5+...+2008+2009+2010=how much.
计算：1+2+3+4+5+…+2008+2009+2010=多少．
<gadget id="calculator">1 + 2_010</gadget>
<output>2_011</output>

<gadget id="calculator">2_010 / 2</gadget>
<output>1_005</output>

<gadget id="calculator">2_011 * 1_005</gadget>
<output>2_021_055</output>

<result>2_021_055</result>