Xiaohong reads a book. On the first day, she reads (1/3) of the whole book. On the second day, she reads 12 more pages than on the first day. After reading the remaining 25 pages on the third day, the book has a total of how many pages
小红看一本书，第一天看了全书的(1/3)，第二天看的页数比第一天多12页，剩下的25页第三天看完，这本书共有多少页？
<gadget id="calculator">25 + 12</gadget>
<output>37</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3) - (1/3)</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">37 / (1/3)</gadget>
<output>111</output>

<result>111</result>