The number of students in the fifth grade is 800, which is the number of students in the sixth grade (8/9). How many students are there in the sixth grade?
五年级的人数是800人，是六年级人数的(8/9)，六年级有学生多少人？
<gadget id="calculator">8 / 9</gadget>
<output>8/9 = around 0.888889</output>

<gadget id="calculator">800 / (8/9)</gadget>
<output>900</output>

<result>900</result>