Xiaogang added the lengths of any three sides in a rectangle, and the sum was 78 cm. Xiaoya added the lengths of three sides in the same rectangle, and the sum was 66 cm. What is the perimeter of this rectangle? centimeter.
小刚在一个长方形中任取三条边长相加，所得的和是78厘米，小亚在同一个长方形中任取三条边长相加，所得的和是66厘米，这个长方形的周长是多少厘米．
<gadget id="calculator">78 + 66</gadget>
<output>144</output>

<gadget id="calculator">144 / 3</gadget>
<output>48</output>

<gadget id="calculator">48 * 2</gadget>
<output>96</output>

<result>96</result>