When Xiao Ming reads a book, he reads page 24 on the first day, and page 36 on the second day. He just reads the whole book in two days (2/5). How many pages does this book have?
小明看一本书，第一天看了24页，第二来看了36页，两天正好看了全书的(2/5)．这本书共有多少页？
<gadget id="calculator">24 + 36</gadget>
<output>60</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">60 / (2/5)</gadget>
<output>150</output>

<result>150</result>