When Xiaoxia reads a book, she has already read more than half of the 12 pages, and she has not read the remaining (1/3) of the total pages. How many pages does this book have?
小霞看一本书，已经看了一半多12页，还剩总页数的(1/3)没看．这本书一共有几页？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

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

<gadget id="calculator">(1/2) - (1/3)</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">12 / (1/6)</gadget>
<output>72</output>

<result>72</result>