A triangle and a parallelogram have the same base and height. If the area of the triangle is 8m**2, what is the area of the parallelogram in m**2?
一个三角形与一个平行四边形等底等高，如果三角形的面积是8m**2，那么平行四边形的面积是多少m**2．
<gadget id="calculator">8 * 2</gadget>
<output>16</output>

<result>16</result>