A parallelogram has a base of 6.5 decimeters and a height of 0.6 decimeters less than the base. What is the area of the parallelogram in square decimeters?
一个平行四边形，底是6.5分米，高比底少0.6分米，这个平行四边形的面积是多少平方分米．
<gadget id="calculator">6.5 - 0.6</gadget>
<output>5.9</output>

<gadget id="calculator">6.5 * 5.9</gadget>
<output>38.35</output>

<result>38.35</result>