In a choir of a certain school, girls accounted for 2/5 of the total number of people. Later, 2 girls were recruited. At this time, girls accounted for 3/7 of the total number. How many people are there in the current choir?
某校合唱团中，女生占总人数的(2/5)，后来又吸收了2名女生，这时女生占总人数的(3/7)，现合唱团有多少人？
<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>

<gadget id="calculator">(3/7) * 2</gadget>
<output>6/7 = around 0.857143</output>

<gadget id="calculator">2 - (6/7)</gadget>
<output>8/7 = around 1.142857</output>

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

<gadget id="calculator">(3/7) - (2/5)</gadget>
<output>1/35 = around 0.028571</output>

<gadget id="calculator">(8/7) / (1/35)</gadget>
<output>40</output>

<gadget id="calculator">40 + 2</gadget>
<output>42</output>

<result>42</result>