Each class of Yucai Primary School donated 48 books to Hope Primary School. There are 6 grades in Yucai Primary School, and each grade has 4 classes. How many books did Yucai Primary School donate to Hope Primary School?
育才小学的学生平均每个班给希望小学捐了48本书，育才小学有6个年级，每个年级有4个班．育才小学一共给希望小学捐书多少本？
<gadget id="calculator">6 * 4 * 48</gadget>
<output>1_152</output>

<result>1_152</result>