Zhang Min reads a book, reads 18 pages every day, and reads exactly half of the book in 12 days. It takes 9 days to read the rest, how many pages do I need to read every day?
张敏看一本书，每天看18页，12天正好看了这本书的一半．剩下的要9天看完，每天要看多少页？
<gadget id="calculator">12 / 9</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">18 * (4/3)</gadget>
<output>24</output>

<result>24</result>