The school cafeteria shipped 3 bags of rice and 3 bags of flour, each bag of rice was 60 kilograms, and each bag of flour was 30 kilograms. How many kilograms of food were shipped in total?
学校食堂运来大米和面粉各3袋，大米每袋60千克，面粉每袋30千克，一共运来粮食多少千克？
<gadget id="calculator">60 + 30</gadget>
<output>90</output>

<gadget id="calculator">90 * 3</gadget>
<output>270</output>

<result>270</result>