If the base of a parallelogram is 6cm and the height is 4cm, what is the area of the triangle with the same base and height?
一个平行四边形的底是6cm，高是4cm，和它等底等高的三角形的面积是多少．
<gadget id="calculator">6 * 4</gadget>
<output>24</output>

<gadget id="calculator">24 / 2</gadget>
<output>12</output>

<result>12</result>