Xiaojun participated in the summer swimming class. In 12 days, he swam a total of 4,800 meters. How many meters did he swim on average every day?
小军参加了暑假游泳班，12天里他共游了4800米，平均每天游多少米？
<gadget id="calculator">4_800 / 12</gadget>
<output>400</output>

<result>400</result>