There are 450 students in Hongxing Primary School, of which 36% are female students, and some female students have been added at the beginning of the new school year. At this time, female students account for 40% of the total number of students in the school. How many students are there in Hongxing Primary School now?
红星小学共有450名学生，其中女学生占36%，新学年开学又增加了一些女学生，此时，女学生占全校学生总数的40%．现在红星小学共有多少名学生？
<gadget id="calculator">36 / 100</gadget>
<output>9/25 = around 0.36</output>

<gadget id="calculator">1 - (9/25)</gadget>
<output>16/25 = around 0.64</output>

<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(16/25) / (3/5)</gadget>
<output>16/15 = around 1.066667</output>

<gadget id="calculator">450 * (16/15)</gadget>
<output>480</output>

<result>480</result>