The cafeteria shipped 600kg of rice, which has been eaten for 4 days, 50kg per day. After eating the remaining 5 days, how many kilograms do you eat on average per day?
食堂运来600千克大米，已经吃了4天，每天吃50千克．剩下的5天吃完，平均每天吃多少千克？
<gadget id="calculator">50 * 4</gadget>
<output>200</output>

<gadget id="calculator">600 - 200</gadget>
<output>400</output>

<gadget id="calculator">400 / 5</gadget>
<output>80</output>

<result>80</result>