The two adjacent sides of a parallelogram are 6 cm and 4 cm respectively, and the height of one side is 5 cm. What is the area of the parallelogram in square centimeters?
一个平行四边形相邻两条边分别是6厘米、4厘米，量得一条边上的高为5厘米，这个平行四边形的面积是多少平方厘米．
<gadget id="calculator">4 * 5</gadget>
<output>20</output>

<result>20</result>