There are several kilograms of rice in the school cafeteria. 29.8 kg was used on the first day, and 30.2 kg was used on the second day, leaving 56.9 kg. How many kilograms of rice did the school cafeteria have?
学校食堂有大米若干千克．第一天用去了29.8千克，第二天用去了30.2千克，这时还剩下56.9千克．学校食堂原来有大米多少千克？
<gadget id="calculator">29.8 + 30.2 + 56.9</gadget>
<output>116.9</output>

<result>116.9</result>