There is a parallelogram vegetable field with a base of 27.6 meters and a height of 15 meters. What is the area in square meters?
有一块平行四边形菜地，底是27.6米，高是15米，面积是多少平方米．
<gadget id="calculator">27.6 * 15</gadget>
<output>414</output>

<result>414</result>