The perimeter of an isosceles trapezoid is 48 centimeters, the area is 96 square centimeters, and the height is 8 centimeters. What is the length of the waist in centimeters?
等腰梯形周长是48厘米，面积是96平方厘米，高是8厘米，则腰长多少厘米
<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>