A 180-page book, read the whole book (1/9) more than 5 pages every day, how many pages are read every day.
一本180页的书，每天看全书的(1/9)多5页，每天看了多少页．
<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">180 * (1/9)</gadget>
<output>20</output>

<gadget id="calculator">20 + 5</gadget>
<output>25</output>

<result>25</result>