triangle and a parallelogram have the same base and height. If the area of the triangle is 1.2 square meters, what is the area of the parallelogram in square meters?
一个三角形和一个平行四边形等底等高，如果三角形的面积是1.2平方米，那么这个平行四边形的面积是多少平方米．
<gadget id="calculator">1.2 * 2</gadget>
<output>2.4</output>

<result>2.4</result>