The number of girls in the fifth grade in the last semester was the number of the whole grade (5/11). Later, when the school started, 2 girls were transferred away. At this time, the number of girls was the number of the whole grade (4/9). How many students are there in this grade now? ?
上学期五年级女生人数是全年级人数的(5/11)，后来开学时，转走了2名女生，这时女生人数是全年级人数的(4/9)，求这个年级现在有多少学生？
<gadget id="calculator">11 - 5</gadget>
<output>6</output>

<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">9 - 4</gadget>
<output>5</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">(5/6) - (4/5)</gadget>
<output>1/30 = around 0.033333</output>

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

<gadget id="calculator">1 - (4/9)</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">2 / (1/30) / (5/9)</gadget>
<output>108</output>

<result>108</result>