If the perimeter of an isosceles trapezoid is 48cm, the area is 96cm, and the height is 8cm, then what is the length of each waist in cm?
如果等腰梯形的周长是48cm，面积是96cm，高是8cm，那么每条腰长是多少cm．
<gadget id="calculator">2 / 8</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">96 * (1/4)</gadget>
<output>24</output>

<gadget id="calculator">48 - 24</gadget>
<output>24</output>

<gadget id="calculator">24 / 2</gadget>
<output>12</output>

<result>12</result>