Xiaogang read a famous foreign book. On the first day, he read half of the whole book and less than 15 pages. On the second day, he read the remaining half and more than 10 pages, leaving 65 pages unread. How many pages does this book have in total?
小刚读一本外国名著，第一天读了全书的一半少15页，第二天读了余下的一半多10页，还剩下65页没有读．这本书一共有多少页．
<gadget id="calculator">65 + 10</gadget>
<output>75</output>

<gadget id="calculator">75 * 2</gadget>
<output>150</output>

<gadget id="calculator">150 - 15</gadget>
<output>135</output>

<gadget id="calculator">135 * 2</gadget>
<output>270</output>

<result>270</result>