The 29th Olympic Games was held in Beijing on August 8, 2008, and how many years have passed since August 8, 2013?
第29届奥运会于2008年8月8日在北京举行，至2013年8月8日相距多少周年．
<gadget id="calculator">2_013 - 2_008</gadget>
<output>5</output>

<result>5</result>