An article used to have 24 characters per line, a total of 40 lines; now it is changed to 16 characters per line, so how many lines does this article need to print now?
一篇文章原来每行24个字，共40行；现在改为每行16个字，那么这篇文章现在需打印多少行？
<gadget id="calculator">40 / 16</gadget>
<output>5/2 = around 2.5</output>

<gadget id="calculator">24 * (5/2)</gadget>
<output>60</output>

<result>60</result>