The three sides of a right triangle are 8 decimeters, 10 decimeters and 6 decimeters respectively, what is its area in square decimeters
一个直角三角形的三边分别为8分米、10分米、6分米，它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>