There are 36 students reading in the reading room, girls accounted for (4/9), how many girls came in later, at this time the number of girls accounted for the total number of students (9/19), how many girls came in later?
阅览室里有36名同学在看书，女生占(4/9)，后来又进来几名女生，这时女生人数占全部人数的(9/19)，后来又进来几名女生？
<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>

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

<gadget id="calculator">36 - 16</gadget>
<output>20</output>

<gadget id="calculator">9 / 19</gadget>
<output>9/19 = around 0.473684</output>

<gadget id="calculator">1 - (9/19)</gadget>
<output>10/19 = around 0.526316</output>

<gadget id="calculator">20 / (10/19)</gadget>
<output>38</output>

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

<result>2</result>