The height of a parallelogram is 7.6cm, and the base is twice the height, what is its area in cm**2.
一个平行四边形的高是7.6cm，底是高的2倍，它的面积是多少cm**2．
<gadget id="calculator">7.6 * 2 * 7.6</gadget>
<output>115.52</output>

<result>115.52</result>