Xiaojiao's mother bought a watermelon home, Xiaojiao asked her mother: "How much is the watermelon bought?" Mom said, the weight of a watermelon is equal to 3 kilograms plus the weight of half a watermelon. Do you know how many kilograms this watermelon weighs? ?
小娇的妈妈买回家一个西瓜，小娇问妈妈："买回来的西瓜有多重？"妈妈说，一个西瓜的重量等于3千克加上半个西瓜的重，你知道这个西瓜有多少千克重吗？
<gadget id="calculator">3 * 2</gadget>
<output>6</output>

<result>6</result>