A triangle and a parallelogram have the same area and the same height. It is known that the base of the parallelogram is 16 cm. What is the base of the triangle in cm?
一个三角形与一个平行四边形面积相等，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>