The sum of the upper and lower base lengths of an isosceles trapezoid is 64 cm, which is four times the waist length. What is the perimeter of this trapezoid in cm?
一个等腰梯形的上、下底长之和是64厘米，是腰长的4倍，这个梯形的周长是多少厘米？
<gadget id="calculator">64 / 4</gadget>
<output>16</output>

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

<gadget id="calculator">64 + 32</gadget>
<output>96</output>

<result>96</result>