The perimeter of a rectangle is equal to the perimeter of a square with side length 12 cm. The width of this rectangle is 10 cm, what is its length in cm?
一个长方形的周长与一个边长12厘米的正方形的周长相等．这个长方形的宽是10厘米，它的长是多少厘米？
<gadget id="calculator">4 / 2</gadget>
<output>2</output>

<gadget id="calculator">12 * 2</gadget>
<output>24</output>

<gadget id="calculator">24 - 10</gadget>
<output>14</output>

<result>14</result>