The hypotenuse of an isosceles right triangle is 8 cm, please find its area.
一个等腰直角三角形的斜边是8厘米，请你求出它的面积．
<gadget id="calculator">8 / 2</gadget>
<output>4</output>

<gadget id="calculator">4 / 2</gadget>
<output>2</output>

<gadget id="calculator">8 * 2</gadget>
<output>16</output>

<result>16</result>