Xiaohong reads a book, and the number of pages he has read is 12 more than the total number of pages (1/3). The ratio of the number of pages he has read to the number of pages he has not read is 2:3. How many pages are there?
小红看一本书，已看的页数比总页数的(1/3)还多12页，他看过的页数与未看的页数的比是2：3，这本书一共有多少页？
<gadget id="calculator">12 * 2</gadget>
<output>24</output>

<gadget id="calculator">12 * 3</gadget>
<output>36</output>

<gadget id="calculator">24 + 36</gadget>
<output>60</output>

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

<gadget id="calculator">(1/3) * 2</gadget>
<output>2/3 = around 0.666667</output>

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

<gadget id="calculator">2 - (2/3) - 1</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">60 / (1/3)</gadget>
<output>180</output>

<result>180</result>