If the base of a parallelogram is 10 cm and the height is 6.4 cm, what is the area in square centimeters of a triangle with the same base and height?
一个平行四边形的底是10厘米，高6.4厘米，与它等底等高的三角形的面积是多少平方厘米．
<gadget id="calculator">6.4 / 2</gadget>
<output>3.2</output>

<gadget id="calculator">10 * 3.2</gadget>
<output>32</output>

<result>32</result>