The original ratio of the number of girls to the total number of dancers in the bilingual primary school was 3:5, and 4 girls joined later, so that the number of girls accounted for (2/3) of the total number of dancers. How many girls are there in the dance team now?
双语小学舞蹈队原有女生人数与总人数的比是3：5，后来又有4名女生加入，这样女生人数就占舞蹈队总人数的(2/3)．现在舞蹈队有女生多少人？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(3/5) / (2/5)</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">1 / (3/2)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1 - (2/3)</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 / (3/2) / (1/3)</gadget>
<output>2</output>

<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">2 - (3/2)</gadget>
<output>1/2 = around 0.5</output>

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

<gadget id="calculator">8 * 2</gadget>
<output>16</output>

<result>16</result>