If the area of a parallelogram is 5.4 square decimeters, what is the area of a triangle with the same base and height?
一个平行四边形的面积是5.4平方分米，与它等底等高的三角形的面积是多少．
<gadget id="calculator">5.4 / 2</gadget>
<output>2.7</output>

<result>2.7</result>