There are 240 students in the fifth grade of Xinhua Primary School, which is 4/5 of the number of students in the sixth grade. How many students are there in the sixth grade?
新华小学五年级有学生240人，是六年级学生人数的(4/5)，六年级有学生多少人？
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">240 / (4/5)</gadget>
<output>300</output>

<result>300</result>