Xiaodong reads an interesting math book, reads 24 pages a day, and finishes half of the book in 5 days. If he reads 6 more pages a day, how many days will it take to finish the book?
小东看一本趣味数学书，每天看24页，5天正好看完这本书的一半，如果以后每天多看6页，看完这本书还要多少天？
<gadget id="calculator">24 + 6</gadget>
<output>30</output>

<gadget id="calculator">5 / 30</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">24 * (1/6)</gadget>
<output>4</output>

<result>4</result>