Xiao Ming reads a book, reads 18 pages every day, and can finish it in 26 days. If you read 24 pages a day, how many days do you need to finish reading?
小明看一本书，每天看18页，26天可以看完．如果每天看24页，要看多少天看完．
<gadget id="calculator">26 / 24</gadget>
<output>13/12 = around 1.083333</output>

<gadget id="calculator">18 * (13/12)</gadget>
<output>39/2 = around 19.5</output>

<result>39/2 = around 19.5</result>