The theme of the 2010 Shanghai World Expo is "Better City, Better Life". It will be held from May 1st to October 31st, 2010. How many days will the Expo be held in total?
2010年上海世博会的主题是"城市，让生活更美好"，举办日期是2010年5月1日至10月31日，本次世博会一共举行了多少天？
<gadget id="calculator">31 + 30 + 31 + 31 + 30 + 31</gadget>
<output>184</output>

<result>184</result>