A bag of toffee weighs 4 kilograms. After taking out 800 grams, the rest is divided into 4 bags on average. How many grams does each bag weigh?
一袋奶糖重4千克，取出800克后，剩下的平均分成4包，每包重多少克？
<gadget id="calculator">4 * 1_000</gadget>
<output>4_000</output>

<gadget id="calculator">4_000 - 800</gadget>
<output>3_200</output>

<gadget id="calculator">3_200 / 4</gadget>
<output>800</output>

<result>800</result>