The school cafeteria bought 500 kilograms of rice, and after 5 days of use, there were still 120 kilograms left. How many kilograms of rice does the cafeteria use on average every day?
学校食堂买来500千克大米，用了5天后还剩120千克．食堂平均每天用大米多少千克？
<gadget id="calculator">500 - 120</gadget>
<output>380</output>

<gadget id="calculator">380 / 5</gadget>
<output>76</output>

<result>76</result>