Xiaoya reads a famous book. After reading part of it on the first day, the ratio of the number of pages she has read to the number of unread pages is 5:7. On the second day, she reads another 92 pages. 4 times the number of pages read. How many pages did you read on the first day?
小雅读一本名著，第一天读了一部分后，已读的页数与未读页数的比是5：7，第二天又读了92页，这时已读的页数是未读页数的4倍．第一天读了多少页？
<gadget id="calculator">1 + 4</gadget>
<output>5</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">5 + 7</gadget>
<output>12</output>

<gadget id="calculator">5 / 12</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">(4/5) - (5/12)</gadget>
<output>23/60 = around 0.383333</output>

<gadget id="calculator">92 / (23/60)</gadget>
<output>240</output>

<gadget id="calculator">240 * (4/5)</gadget>
<output>192</output>

<result>192</result>