A parallelogram parking space has a base length of 6 meters and a height of 3 meters. What is the area of the parking space in square meters?
一个平行四边形的停车位，底边长6米，高3米，这个停车位的面积是多少平方米？
<gadget id="calculator">6 * 3</gadget>
<output>18</output>

<result>18</result>