The three sides of a right triangle are 6 decimeters, 8 decimeters, and 10 decimeters respectively. What is the area of this triangle in square decimeters?
一个直角三角形的三条边分别是6分米、8分米、10分米，这个三角形的面积是多少平方分米．
<gadget id="calculator">8 / 2</gadget>
<output>4</output>

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

<result>24</result>