The school organized a donation activity for the disaster area. The fifth grade students donated a total of 1850 yuan, 150 yuan less than the sixth grade students (4/5). How much does the sixth grade student donate?
学校组织为灾区捐款活动，五年级学生共捐款1850元，比六年级学生捐款数的(4/5)少150元．六年级学生捐款多少元？
<gadget id="calculator">1_850 + 150</gadget>
<output>2_000</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">2_000 / (4/5)</gadget>
<output>2_500</output>

<result>2_500</result>