Xiaohong bought 3 bags of toffee and 2 bags of biscuits, weighing a total of 2200 grams. It is known that each bag of biscuits weighs 500 grams. How many grams does each bag of toffee weigh?
小红买了3袋奶糖和2袋饼干，一共重2200克，已知每袋饼干重500克，每袋奶糖重多少克？
<gadget id="calculator">500 * 2</gadget>
<output>1_000</output>

<gadget id="calculator">2_200 - 1_000</gadget>
<output>1_200</output>

<gadget id="calculator">1_200 / 3</gadget>
<output>400</output>

<result>400</result>