Xiao Ming reads a book. On the first day, he reads half of the book and more than 10 pages. On the second day, he reads exactly half of the remaining pages. At this time, there are 45 pages left. How many pages are there in this book?
小明看一本书，第一天看了全书的一半多10页，第二天正好看了剩下页数的一半，这时还剩45页，这本书有多少页．
<gadget id="calculator">45 * 2</gadget>
<output>90</output>

<gadget id="calculator">90 + 10</gadget>
<output>100</output>

<gadget id="calculator">100 * 2</gadget>
<output>200</output>

<result>200</result>