The perimeter of a right-angled trapezoid is 48 cm, the ratio of the sum of the two bases to the sum of the two waists is 2:1, and the ratio of one waist to the other is 3:5. What is the area of the trapezoid.
直角梯形的周长是48厘米，两底的和与两腰和的比是2：1，一条腰与另一条腰的比是3：5．梯形的面积是多少．
<gadget id="calculator">2 + 1</gadget>
<output>3</output>

<gadget id="calculator">48 / 3</gadget>
<output>16</output>

<gadget id="calculator">16 * 2</gadget>
<output>32</output>

<gadget id="calculator">3 + 5</gadget>
<output>8</output>

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

<gadget id="calculator">2 * 3</gadget>
<output>6</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">32 * 6 * (1/2)</gadget>
<output>96</output>

<result>96</result>