Xiaoqiang reads a cartoon book. On the first day, he reads half of the book and 5 pages, and has not read 35 pages. He asks how many pages there are in this cartoon book.
小强看一本卡通书，第一天看了这本书的一半又5页，还有35页没看，问这本卡通书共有多少页．
<gadget id="calculator">35 + 5</gadget>
<output>40</output>

<gadget id="calculator">40 * 2</gadget>
<output>80</output>

<result>80</result>