Guangzhou Primary School Mathematics Olympiad Training School was established in 1987 and has entered 22 years. Please sum up all the year numbers from 1987 to 2008. That is: 1987+1988+1989+1990+...+2007+2008=how much.
广州市小学数学奥林匹克培训学校成立于1987年，至今已进入22个年头，请把从1987到2008年的所有年份号求和．即：1987+1988+1989+1990+…+2007+2008=多少．
<gadget id="calculator">1_987 + 2_008</gadget>
<output>3_995</output>

<gadget id="calculator">22 / 2</gadget>
<output>11</output>

<gadget id="calculator">3_995 * 11</gadget>
<output>43_945</output>

<result>43_945</result>