A triangle and a parallelogram have the same area and the same height. If the base of the parallelogram is 8 cm, what is the base of the triangle in cm?
一个三角形和一个平行四边形的面积相等，高也相等，如果平行四边形的底是8厘米，则三角形的底是多少厘米．
<gadget id="calculator">8 * 2</gadget>
<output>16</output>

<result>16</result>