There are 360 students reading in the reading room of the school, of which girls accounted for (4/9), and then some girls came, and the number of girls accounted for all the people (9/19), how many students came later?
学校阅览室有360名学生在看书，其中女生占(4/9)，后来又来了若干名女生，这时女生人数占所有人数的(9/19)，后来又来了多少名学生？
<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>

<gadget id="calculator">360 * (4/9)</gadget>
<output>160</output>

<gadget id="calculator">360 - 160</gadget>
<output>200</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">200 / (10/19)</gadget>
<output>380</output>

<gadget id="calculator">380 - 360</gadget>
<output>20</output>

<result>20</result>