When Li Hui reads a book, he reads 65 pages on the first day, 48 pages on the second day, and leaves 135 pages. How many pages does this book have?
李辉看一本书，第一天看了65页，第二天看了48页，还剩135页没有看，这本书共有多少页？
<gadget id="calculator">65 + 48 + 135</gadget>
<output>248</output>

<result>248</result>