The students join interest groups. There are 27 people in the music group, which is 2/5 less than the English group. How many fewer people are in the music group than the English group?
同学们参加兴趣小组，音乐小组有27人，比英语小组少(2/5)，音乐小组比英语小组少多少人？
<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">27 / (3/5)</gadget>
<output>45</output>

<gadget id="calculator">45 * (2/5)</gadget>
<output>18</output>

<result>18</result>