The Shanghai World Expo will be held in Shanghai, China from May 1st to October 31st, 2010. How many days will the entire expo last?
上海世博会于2010年5月1日至10月31日在中国上海举办，整个会期一共多少天？
<gadget id="calculator">31 + 30 + 31 + 31 + 30 + 31</gadget>
<output>184</output>

<result>184</result>