Li Gang reads a story book, the ratio of the number of pages he has read to the number of remaining pages is 2:3, and the number of pages he has read is exactly 14 pages less than (3/4) of the whole book. How many pages does this storybook have?
李刚看一本故事书，已看的页数与剩下页数比是2：3，已看的页数恰好比全书的(3/4)少14页．这本故事书有多少页？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">2 + 3</gadget>
<output>5</output>

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

<gadget id="calculator">(3/4) - (2/5)</gadget>
<output>7/20 = around 0.35</output>

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

<result>40</result>