To print a document, if there are 35 characters per line, a total of 68 lines will be printed. If each line is changed to 28 characters, how many lines will be printed for this document?
打印一篇文稿，如果每行排35个字，一共要打印68行，如果改为每行排28个字，这篇文稿需要打印多少行？
<gadget id="calculator">68 / 28</gadget>
<output>17/7 = around 2.428571</output>

<gadget id="calculator">35 * (17/7)</gadget>
<output>85</output>

<result>85</result>