Zhang Ya reads a storybook. On the first day, she reads 45 pages. On the second day, she reads 1/4 of the whole book. The number of pages she reads on the second day is 5 more than that on the first day. How many pages are there in this storybook? Page?
张亚看一本故事书，第一天看了45页，第二天看了全书的(1/4)，第二天看的页数比第一天多5页，这本故事书共有多少页？
<gadget id="calculator">45 + 5</gadget>
<output>50</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">50 / (1/4)</gadget>
<output>200</output>

<result>200</result>