Xiao Ming reads a storybook, and he reads 12 pages a day on average. In this way, he read (2/3) of the whole book in 3 days. How many pages does this storybook have?
小明看一本故事书，他平均每天看12页，这样他3天共看了整本书的(2/3)，这本故事书共有多少页？
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">3 / (2/3)</gadget>
<output>9/2 = around 4.5</output>

<gadget id="calculator">12 * (9/2)</gadget>
<output>54</output>

<result>54</result>