Xiao Ming reads a story book. He reads (2/5) on the first day and (1/4) on the second day, leaving 14 pages unread. How many pages does this storybook have?
小明读一本故事书，第一天读了(2/5)，第二天读了(1/4)，还剩14页没有读．这本故事书有多少页？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

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

<gadget id="calculator">1 - (2/5) - (1/4)</gadget>
<output>7/20 = around 0.35</output>

<gadget id="calculator">14 / (7/20)</gadget>
<output>40</output>

<result>40</result>