Mingming traveled to Shanghai from February 19th to March 5th, 2008. How many days did he travel in total?
明明从2008年2月19日到3月5日去上海旅游，他一共旅游了多少天．
<gadget id="calculator">29 - 19</gadget>
<output>10</output>

<gadget id="calculator">10 + 1 + 5</gadget>
<output>16</output>

<result>16</result>