Xiao Ming reads a storybook and has read 68 pages. If he reads (1/4) of this storybook again, he will read half of the whole storybook. How many pages does this storybook have?
小明读一本故事书，已经读了68页，如果再读这本故事书的(1/4)，就读完全部的一半，这本故事书有多少页？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

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

<gadget id="calculator">(1/2) - (1/4)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">68 / (1/4)</gadget>
<output>272</output>

<result>272</result>