One side of a parallelogram is 10 cm long and 2 cm shorter than the other adjacent side. What is the perimeter of the parallelogram in cm?
一个平行四边形的一条边长10厘米，比另一条邻边短2厘米，这个平行四边形的周长是多少厘米？
<gadget id="calculator">10 + 10 + 2</gadget>
<output>22</output>

<gadget id="calculator">22 * 2</gadget>
<output>44</output>

<result>44</result>