The area of a parallelogram is 24cm**2. If its height remains the same and its base doubles, what is its area in cm**2?
一个平行四边形面积是24cm**2，如果它的高不变，底扩大2倍，那么它的面积是多少cm**2．
<gadget id="calculator">24 * 2</gadget>
<output>48</output>

<result>48</result>