There are 2 classes in the third grade in our school. There are 61 students in each class. Each person has 4 math exercise books. How many books are there in total?
我们校三年级有2个班，每班有61人，每人4本数学练习本，一共有多少本？
<gadget id="calculator">61 * 2 * 4</gadget>
<output>488</output>

<result>488</result>