The area of a triangle is 4.8m**2, what is the area of a parallelogram with the same base and height in m**2?
一个三角形的面积是4.8m**2，与它等底等高的平行四边形面积是多少m**2．
<gadget id="calculator">4.8 * 2</gadget>
<output>9.6</output>

<result>9.6</result>