There are 45 students in the fourth grade of Hongqi Primary School, who donated a total of 540 yuan to the earthquake-stricken area in Yushu, Qinghai. How much is the average donation per person?
红旗小学四年级有45名同学，一共为青海玉树地震灾区捐款540元，平均每人捐款多少元？
<gadget id="calculator">540 / 45</gadget>
<output>12</output>

<result>12</result>