Xinguang Primary School originally had 240 students, of which girls accounted for 5/8 of the total number. Now some boys have been transferred, and now boys account for 2/5 of the total number. How many students are there in Xinguang Primary School?
新光小学原有学生240人，其中女生占总人数的(5/8)，现在转来若干男生，现在男生占总人数的(2/5)，新光小学现有学生多少人？
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

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

<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(5/8) / (3/5)</gadget>
<output>25/24 = around 1.041667</output>

<gadget id="calculator">240 * (25/24)</gadget>
<output>250</output>

<result>250</result>