right triangle, the lengths of the three sides are 6cm, 8cm, 10cm respectively, what is the area of this right triangle?
一个直角三角形，三条边的长分别是6cm，8cm，10cm，这个直角三角的面积是多少．
<gadget id="calculator">8 / 2</gadget>
<output>4</output>

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

<result>24</result>