A triangle and a parallelogram have the same area and height, and the base of the parallelogram is 16cm. What is the base of the triangle in cm?
一个三角形与平行四边形的面积相等，高相等，已知平行四边形的底是16cm，三角形的底是多少cm．
<gadget id="calculator">16 * 2</gadget>
<output>32</output>

<result>32</result>