A story book originally had 576 characters per page, and now it has 125 pages. Now it is changed to small print, and each page has 144 more characters than before. How many pages do you need?
一本故事书，原来每页排576个字，排了125页，现在改用小号字，每页比原来多排144个字，需要排多少页？
<gadget id="calculator">576 * 125</gadget>
<output>72_000</output>

<gadget id="calculator">576 + 144</gadget>
<output>720</output>

<gadget id="calculator">72_000 / 720</gadget>
<output>100</output>

<result>100</result>