The number of female students in the sports group last semester accounted for (3/8) of the whole group. This semester, the number of female students increased by 2, and the male students did not change. In this way, female students accounted for (2/5) of the whole group. How many students are there in the group?
体育小组上学期女同学人数占全组人数的(3/8)，本学期女同学又增加2名，男同学没变，这样女同学就占全组人数的(2/5)，上学期体育小组有多少名同学？
<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">(2/5) / (3/5)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">1 - (3/8)</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">(3/8) / (5/8)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(2/3) - (3/5)</gadget>
<output>1/15 = around 0.066667</output>

<gadget id="calculator">2 / (1/15) / (5/8)</gadget>
<output>48</output>

<result>48</result>