A manuscript has already printed 24 pages, which is 20% less than the remaining pages. How many pages is this manuscript?
一份搞件，已经打印好了24页，比剩下的页面少20%，这份稿件多少页？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">24 / (4/5)</gadget>
<output>30</output>

<gadget id="calculator">24 + 30</gadget>
<output>54</output>

<result>54</result>