During the reading activities carried out by the school, some of the books Xiaohua read are divided into two volumes. 25% of the pages of the first volume is equal to (2/5) of the pages of the second volume. It is known that the first volume has 480 pages, how many pages are there in the second volume?
在学校开展的读书活动中，小花看的一部分书分上、下两册．上册页数的25%等于下册页数的(2/5)，已知上册有480页，下册有多少页？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(1/4) / (2/5)</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">480 * (5/8)</gadget>
<output>300</output>

<result>300</result>