There are 50 students in Class 1 and Class 2 of the fourth grade. Each person in Class 1 donated an average of 5 yuan to the disaster-stricken areas in Sichuan, and the average person in Class 2 lost 6 Yuan. How much did the two classes donate in total?
四年级一班和二班都是50名同学，一班平均每人为四川灾区捐款5元，二班平均每人损款6元，这两个班一共捐款多少元？
<gadget id="calculator">5 * 50</gadget>
<output>250</output>

<gadget id="calculator">6 * 50</gadget>
<output>300</output>

<gadget id="calculator">250 + 300</gadget>
<output>550</output>

<result>550</result>