The three sides of a triangle are 6 cm, 8 cm and 10 cm respectively. What is the area of the triangle?
一个三角形的三条边分别是6厘米，8厘米和10厘米，这个三角形的面积是多少．
<gadget id="calculator">8 / 2</gadget>
<output>4</output>

<gadget id="calculator">6 * 4</gadget>
<output>24</output>

<result>24</result>