There are 36 students in the first class of four years, and 44 students in the second class of four years. On average, each person donates 15 yuan to the children in the disaster area. How much is the total donation of these two classes to the children in the disaster area?
四年一班有36人，四年二班有44人，平均每人向灾区小朋友捐款15元钱，这两个班级共向灾区小朋友捐款多少元钱？
<gadget id="calculator">36 + 44</gadget>
<output>80</output>

<gadget id="calculator">80 * 15</gadget>
<output>1_200</output>

<result>1_200</result>