There were originally 48 students in a certain class, 37.5% of whom were girls. Later, a few girls were transferred. At this time, girls accounted for 2/5 of the whole class. How many girls were transferred?
某班原有学生48人，其中女生占37.5%，后来又转来几名女生，这时女生占全班人数的(2/5)，转来了几名女生？
<gadget id="calculator">37.5 / 100</gadget>
<output>0.375</output>

<gadget id="calculator">1 - 0.375</gadget>
<output>0.625</output>

<gadget id="calculator">48 * 0.625</gadget>
<output>30</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">30 / (3/5)</gadget>
<output>50</output>

<gadget id="calculator">50 - 48</gadget>
<output>2</output>

<result>2</result>