Two identical triangles can be put together to form a parallelogram. If the area of the formed parallelogram is 50 square centimeters, what is the area of a triangle in square centimeters?
两个完全一样的三角形可以拼成一个平行四边形，如果拼成的平行四边形的面积是50平方厘米，则一个三角形的面积是多少平方厘米．
<gadget id="calculator">50 / 2</gadget>
<output>25</output>

<result>25</result>