Qianyu reads a book. After a few days, the ratio of pages read to unread is 3:4. After reading another 44 pages, the ratio of pages read to unread becomes 5:3. This book How many pages are there?
倩妤读一本书，若干天后，已读与未读页数的比是3：4，又读了44页后，已读和未读页数之比变成了5：3，这本书有多少页？
<gadget id="calculator">5 + 3</gadget>
<output>8</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">3 + 4</gadget>
<output>7</output>

<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>

<gadget id="calculator">(5/8) - (3/7)</gadget>
<output>11/56 = around 0.196429</output>

<gadget id="calculator">44 / (11/56)</gadget>
<output>224</output>

<result>224</result>