The school playground is 234 meters long and 96 meters wide, what is the circumference in meters?
学校操场长为234米，宽为96米，周长是多少米？
<gadget id="calculator">234 + 96</gadget>
<output>330</output>

<gadget id="calculator">330 * 2</gadget>
<output>660</output>

<result>660</result>