What is the area of a parallelogram with a base of 4 decimeters and a height of 0.2 meters?
底为4分米，高为0.2米的平行四边形的面积是多少平方分米．
<gadget id="calculator">4 * 0.2 * 10</gadget>
<output>8</output>

<result>8</result>