The length of one side of a parallelogram is 7 cm, and the length of its adjacent side is 3 cm less than twice its length. What is the perimeter of the parallelogram in cm?
一个平行四边形的一边长是7厘米，它的邻边长度比它的长度2倍少3厘米，这个平行四边形的周长是多少厘米？
<gadget id="calculator">7 * 2</gadget>
<output>14</output>

<gadget id="calculator">14 - 3</gadget>
<output>11</output>

<gadget id="calculator">11 + 7</gadget>
<output>18</output>

<gadget id="calculator">18 * 2</gadget>
<output>36</output>

<result>36</result>