There are 45 students in a class, and 11 boys and girls (1/9) are sent to participate in the competition. The remaining boys and girls are equal in number. How many girls are there in this class?
某班有45名同学，派出11名男生和女生的(1/9)参加竞赛，剩下的男、女生人数相等，这个班有多少名女生？
<gadget id="calculator">45 - 11</gadget>
<output>34</output>

<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">1 - (1/9)</gadget>
<output>8/9 = around 0.888889</output>

<gadget id="calculator">1 + (8/9)</gadget>
<output>17/9 = around 1.888889</output>

<gadget id="calculator">34 / (17/9)</gadget>
<output>18</output>

<result>18</result>