Two identical triangles are put together to form a parallelogram with an area of 8.2 square centimeters. What is the area of one of the triangles in square meters square centimeters?
两个完全一样的三角形，拼成一个面积是8.2平方厘米的平行四边形，其中一个三角形的面积是多少平方米平方厘米．
<gadget id="calculator">8.2 / 2</gadget>
<output>4.1</output>

<result>4.1</result>