Liping reads a book. She reads (1/8) of the book on the first day, and reads 8 more pages on the second day than on the first day. At this time, the ratio of the number of pages read to the number of remaining pages is 2 : 5. How many pages does this book have?
丽萍读一本书，第一天读了这本书的(1/8)，第二天比第一天多读8页，这时已读的页数与剩下页数的比是2：5，这本书共有多少页？
<gadget id="calculator">2 + 5</gadget>
<output>7</output>

<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">(2/7) - (1/8) - (1/8)</gadget>
<output>1/28 = around 0.035714</output>

<gadget id="calculator">8 / (1/28)</gadget>
<output>224</output>

<result>224</result>