A story book has 524 pages. Uncle Li read 108 pages on the first day and 115 pages on the second day. What page should he read on the third day?
一本故事书有524页，李叔叔第一天看了108页，第二天看了115页，第三天他应该从第几页看起？
<gadget id="calculator">108 + 115 + 1</gadget>
<output>224</output>

<result>224</result>