If the base of an isosceles right triangle is 8 cm, what is its area in square centimeters?
如果等腰直角三角形的底是8厘米，它的面积是多少平方厘米？
<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>