A parallelogram of cultivated land has a base length of 40 meters and a height of 15 meters. What is the area of the cultivated land in square meters?
一块平行四边形的耕地，底长40米，高是15米，这块耕地面积是多少平方米．
<gadget id="calculator">40 * 15</gadget>
<output>600</output>

<result>600</result>