Two rabbits competed to eat radishes, one ate 7 and the other 5. How many radishes did the two little rabbits eat altogether?
两只兔子比赛吃萝卜，一只吃了7个，另一只吃了5个．两只小兔一共吃了多少个萝卜？
<gadget id="calculator">7 + 5</gadget>
<output>12</output>

<result>12</result>