In the activity of "Giving Love - Donating to the Yushu Disaster Area", Yumiao Primary School donated a total of 7,220 yuan, which is 20% of the total donations of the students in the school. How much is the donation of the students in the school?
育苗小学在"献爱心--为玉树灾区捐款"活动中，六年级四个班共捐款7220元是全校学生捐款总数的20%，全校学生捐款多少元？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">7_220 / (1/5)</gadget>
<output>36_100</output>

<result>36_100</result>