The perimeter of a rectangle is 60 cm, the width is 14 cm, what is the length in cm?
一个长方形的周长是60厘米，宽是14厘米，长是多少厘米．
<gadget id="calculator">60 / 2</gadget>
<output>30</output>

<gadget id="calculator">30 - 14</gadget>
<output>16</output>

<result>16</result>