A triangle and a parallelogram have the same area and the same base. If the height of the triangle is 12 decimeters, what is the height of the parallelogram in decimeters?
一个三角形和一个平行四边形面积相等，底也相等．如果三角形的高是12分米，那么平行四边形的高是多少分米．
<gadget id="calculator">12 / 2</gadget>
<output>6</output>

<result>6</result>