When Xiaohong reads a book, she has already read the whole book (2/9) and there are 12 more pages, and the rest is 91 pages more than what she has read. How many pages does this book have?
小红看一本书，已经看了全书的(2/9)还多12页，余下的比已看的多91页．这本书共有多少页？
<gadget id="calculator">12 * 2</gadget>
<output>24</output>

<gadget id="calculator">24 + 91</gadget>
<output>115</output>

<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>

<gadget id="calculator">(2/9) * 2</gadget>
<output>4/9 = around 0.444444</output>

<gadget id="calculator">1 - (4/9)</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">115 / (5/9)</gadget>
<output>207</output>

<result>207</result>