The area of a parallelogram is 24 square meters. If the height is enlarged by 4 times and the base is reduced by 2 times, what is the area in square meters?
平行四边形面积是24平方米，如果把高扩大4倍，底缩小2倍后，面积是多少平方米．
<gadget id="calculator">3 * 16</gadget>
<output>48</output>

<result>48</result>