The base of the parallelogram is 12 meters, and its two heights are 9 meters and 15 meters respectively. What is the area of the parallelogram in square meters?
平行四边形的底是12米，它的两条高分别是9米、15米，这个平行四边形的面积是多少平方米．
<gadget id="calculator">12 * 9</gadget>
<output>108</output>

<result>108</result>