There are 36 students in the classroom, of which girls accounted for (5/9), how many girls came later, at this time girls accounted for the total number (11/19), how many girls came later?
教室里有36名学生，其中女生占(5/9)，后来又来了几名女生，这时女生占总人数的(11/19)，后来又来了几名女生？
<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">1 - (5/9)</gadget>
<output>4/9 = around 0.444444</output>

<gadget id="calculator">36 * (4/9)</gadget>
<output>16</output>

<gadget id="calculator">11 / 19</gadget>
<output>11/19 = around 0.578947</output>

<gadget id="calculator">1 - (11/19)</gadget>
<output>8/19 = around 0.421053</output>

<gadget id="calculator">16 / (8/19)</gadget>
<output>38</output>

<gadget id="calculator">38 - 36</gadget>
<output>2</output>

<result>2</result>