The school cafeteria bought 300 kilograms of radishes and 3 times as much cabbage. How many kilograms of radish and cabbage were bought together?
学校食堂买来萝卜300千克，买来的白菜是萝卜的3倍，买来的萝卜和白菜共多少千克？
<gadget id="calculator">300 * 3</gadget>
<output>900</output>

<gadget id="calculator">900 + 300</gadget>
<output>1_200</output>

<result>1_200</result>