There are 4 classes in the fourth grade of Nanshan Primary School, with 48 students in each class. On average, each person donated 25 yuan to the disaster-stricken areas in Sichuan. How much did the fourth grade students donate in total?
南山小学四年级共有4个班，每个班48人，平均每人为四川灾区捐款25元，四年级学生一共捐了多少元钱？
<gadget id="calculator">48 * 4 * 25</gadget>
<output>4_800</output>

<result>4_800</result>