The area of a parallelogram is 48cm**2, if its base is reduced by 2 times and its height remains the same, what is the area?
一个平行四边形的面积是48cm**2，把它的底缩小2倍，高不变，面积是多少．
<gadget id="calculator">48 / 2</gadget>
<output>24</output>

<result>24</result>