The ratio of males to females in the dance group is 2:5. In order to choreograph the dance, 14 more females need to be recruited. At this time, the ratio of males to females is 3:11. So how many students are there in the original dance group?
舞蹈小组男、女生人数比为2：5，为了编排舞蹈，需要再招募14名女生，这时男、女生人数比为3：11．那么原来舞蹈小组有多少名同学？
<gadget id="calculator">7 / 6</gadget>
<output>7/6 = around 1.166667</output>

<gadget id="calculator">2 / 7</gadget>
<output>2/7 = around 0.285714</output>

<gadget id="calculator">14 / (7/6) / (2/7)</gadget>
<output>42</output>

<result>42</result>