If the height of a parallelogram is 4.5 cm and the base is 2.6 cm, what is the area of the parallelogram in cm?
一个平行四边形的高是4.5厘米，底是2.6厘米，则平行四边形的面积是多少厘米．
<gadget id="calculator">2.6 * 4.5</gadget>
<output>11.7</output>

<result>11.7</result>