Xiaohong’s mother bought a 5kg bag of rice, used 800g on the first day, and used the same amount on the second day. How many grams of rice are left in the bag after two days?
小红妈妈买了一袋5千克的大米，第一天用了800克，第二天用的和第一天同样多，两天后这袋大米还剩多少克？
<gadget id="calculator">5 * 1_000</gadget>
<output>5_000</output>

<gadget id="calculator">5_000 - 800 - 800</gadget>
<output>3_400</output>

<result>3_400</result>