The grain store used to have 800 kilograms of rice, but sold 12 bags of 60 kilograms each. How many kilograms of rice does the grain store have?
粮店原来有大米800千克，卖出了12袋，每袋60千克，粮店还有大米多少千克？
<gadget id="calculator">60 * 12</gadget>
<output>720</output>

<gadget id="calculator">800 - 720</gadget>
<output>80</output>

<result>80</result>