There are 6 classes in the third grade of Minxin Primary School, and each class has 4 groups. Now there are 480 story books to be distributed to everyone. How many copies can each group have?
民心小学三年级有6个班，每个班有4个组，现在有480本故事书要分给大家．每个小组能分几本？
<gadget id="calculator">480 / 6 / 4</gadget>
<output>20</output>

<result>20</result>