A rectangular basketball court is 39 meters long and 14 meters wide, what is the perimeter in meters?
一个长方形篮球场，长39米，宽14米，周长是多少米？
<gadget id="calculator">39 + 14</gadget>
<output>53</output>

<gadget id="calculator">53 * 2</gadget>
<output>106</output>

<result>106</result>