Two identical triangles can be joined together to form a parallelogram. If the area of the assembled figure is 12.4 square centimeters, what is the area of one of the triangles in square centimeters?
两个完全一样的三角形可以拼成一个平行四边形．如果拼成的图形的面积是12.4平方厘米，那么其中的一个三角形的面积是多少平方厘米．
<gadget id="calculator">12.4 / 2</gadget>
<output>6.2</output>

<result>6.2</result>