The ratio of male to female students in the Art Interest Group of Hope Primary School is 3:2. After 2 more girls join the group, girls account for 4/9 of the whole group. How many people are there in the art group?
希望小学美术兴趣小组男女生人数比是3：2，又有2名女生参加后，女生占全组的(4/9)，美术小组现有多少人？
<gadget id="calculator">3 * 2</gadget>
<output>6</output>

<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>

<gadget id="calculator">(4/9) * 3</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">(4/9) * 2</gadget>
<output>8/9 = around 0.888889</output>

<gadget id="calculator">(8/9) - 3 - 2</gadget>
<output>-37/9 = around -4.111111</output>

<gadget id="calculator">3 + (4/3) + (-37/9)</gadget>
<output>2/9 = around 0.222222</output>

<gadget id="calculator">6 / (2/9)</gadget>
<output>27</output>

<result>27</result>