The base length of an isosceles right triangle is 24cm, what is its area in cm**2.
一个等腰直角三角形的底长24cm，它的面积是多少cm**2．
<gadget id="calculator">24 / 2</gadget>
<output>12</output>

<gadget id="calculator">24 * 12</gadget>
<output>288</output>

<result>288</result>