A triangle and a parallelogram have the same base and the same area, the height of the parallelogram is 6 cm, what is the height of the triangle in cm
一个三角形和一个平行四边形的底相等，面积也相等，平行四边形的高是6厘米，三角形的高是多少厘米
<gadget id="calculator">6 * 2</gadget>
<output>12</output>

<result>12</result>