Lele reads a book. On the first day, she reads (1/4) of the whole book. On the second day, she reads 24 pages less than on the first day. At this time, there are still (5/8) pages left. How many pages does this book have? ? (Solution by equation).
乐乐看一本书，第一天看了全书的(1/4)，第二天比第一天少看24页，这时还有(5/8)没有看，这本书共有多少页？(用方程解)．
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

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

<gadget id="calculator">(1/4) - (1/8)</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">24 / (1/8)</gadget>
<output>192</output>

<result>192</result>