The school cafeteria brought in 650 kilograms of flour, and 260 kilograms remained after eating for 5 days. How many kilograms of flour do you eat on average every day?
学校食堂运进面粉650千克，吃了5天后还剩260千克，平均每天吃面粉多少千克？
<gadget id="calculator">650 - 260</gadget>
<output>390</output>

<gadget id="calculator">390 / 5</gadget>
<output>78</output>

<result>78</result>