There are 4,500 kilograms of rice in the cafeteria. After eating 1,860 kilograms, I bought another 2,680 kilograms. How many kilograms of rice are there in the cafeteria now?
食堂里有大米4500千克，吃了1860千克后又买了2680千克，现在食堂里有大米多少千克？
<gadget id="calculator">4_500 - 1_860</gadget>
<output>2_640</output>

<gadget id="calculator">2_640 + 2_680</gadget>
<output>5_320</output>

<result>5_320</result>