If the base of a parallelogram is 10 cm and the height is 5 cm, what is the area of the parallelogram in square centimeters?
如果一个平行四边形的底是10厘米，高是5厘米，那么这个平行四边形的面积是多少平方厘米．
<gadget id="calculator">10 * 5</gadget>
<output>50</output>

<result>50</result>