On average, the school canteen saves 120 kilograms of food per month. How many kilograms of food can be saved in half a year?
学校食堂平均每个月节约粮食120千克，半年可节约多少千克粮食？
<gadget id="calculator">120 * 6</gadget>
<output>720</output>

<result>720</result>