The lengths of the three sides of a right triangle are 6 cm, 10 cm, and 8 cm respectively. What is its area?
一直角三角形三条边的长分别是6厘米、10厘米、8厘米，它的面积是多少．
<gadget id="calculator">8 / 2</gadget>
<output>4</output>

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

<result>24</result>