A triangle and a parallelogram have the same base and the same area. It is known that the height of the parallelogram is 6 centimeters. What is the height of the triangle in centimeters?
一个三角形和一个平行四边形的底相等，面积也相等，已知平行四边形的高是6厘米，那么三角形的高是多少厘米．
<gadget id="calculator">2 / 1</gadget>
<output>2</output>

<gadget id="calculator">6 * 2</gadget>
<output>12</output>

<result>12</result>