There is a parallelogram lawn with a base of 4m and a height of 3.6m. What is the area of the lawn?
有一块平行四边形的草坪，底是4m，高是3.6m，草坪的面积是多少．
<gadget id="calculator">4 * 3.6</gadget>
<output>14.4</output>

<result>14.4</result>