Xiao Ding reads the storybook. He reads 183 pages in the first week, and finishes the book after reading 258 pages in the second week. How many pages are there in this storybook?
小丁看故事书，第一星期看了183页，第二星期看了258页就把书看完了，那么这本故事书一共多少页？
<gadget id="calculator">183 + 258</gadget>
<output>441</output>

<result>441</result>