Xiaoli's birthday is February 29th, and she had her second birthday on February 29th, 2004. How many years should her third birthday be on February 29th?
小丽的生日是2月29日，2004年2月29日她过了第二次生日，第三次生日应是在多少年2月29日．
<gadget id="calculator">2_004 + 4</gadget>
<output>2_008</output>

<result>2_008</result>