The cafeteria shipped 60kg of rice, 20kg has been eaten, and the rest is planned to be eaten for 5 days. How many kilograms do you eat on average per day?
食堂运来60千克大米，已经吃了20千克，剩下的计划吃5天．平均每天吃多少千克？
<gadget id="calculator">60 - 20</gadget>
<output>40</output>

<gadget id="calculator">40 / 5</gadget>
<output>8</output>

<result>8</result>