What is the area of an isosceles right triangle whose sides are 8 cm?
一个等腰直角三角形的直角边都是8厘米，它的面积是多少．
<gadget id="calculator">8 / 2</gadget>
<output>4</output>

<gadget id="calculator">8 * 4</gadget>
<output>32</output>

<result>32</result>