There are 120 students in Xintian Central School. If 1/4 of the students are drawn from the central school to Jiubu School, the number of students in the two schools will be the same. What percentage of the students in Jiubu School are the students in Central School?
莘田中心学校有学生120人，如果从中心学校抽(1/4)的学生到九步学校，则两校学生数一样多，原来九步学校学生是中心学校学生的百分之几？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">120 * (1/4)</gadget>
<output>30</output>

<gadget id="calculator">120 - 30 - 30</gadget>
<output>60</output>

<gadget id="calculator">60 / 120</gadget>
<output>1/2 = around 0.5</output>

<result>1/2 = around 0.5</result>