The area of a parallelogram is 13.6dm**2, what is the area of a triangle with the same base and height as dm**2?
一个平行四边形的面积是13.6dm**2，和它等底等高的三角形的面积是多少dm**2．
<gadget id="calculator">13.6 / 2</gadget>
<output>6.8</output>

<result>6.8</result>