The school buys a new batch of basketballs. If there are 15 basketballs in each class, they can be distributed to 3 classes. If it is divided into 5 classes on average, how many can each class get?
学校新买一批篮球，如果每班15个，正好可以分给3个班．如果平均分给5个班，每班可以分得多少个？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">15 * (3/5)</gadget>
<output>9</output>

<result>9</result>