read a book (1/4) on the first day, and read the rest (3/4) on the second day, and there are 24 pages left. How many pages does this book have?
一本书第一天看了(1/4)，第二天看了剩下的(3/4)，还剩下24页，这本书一共有多少页？
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 - (3/4)</gadget>
<output>1/4 = around 0.25</output>

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

<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">24 / (1/4) / (3/4)</gadget>
<output>128</output>

<result>128</result>