The length of a rectangular vegetable field is 120 meters, and the width is long (2/3). What is the perimeter of this vegetable field in meters?
一块长方形菜地的长是120米，宽是长的(2/3)，这块菜地的周长是多少米？
<gadget id="calculator">120 + 80</gadget>
<output>200</output>

<gadget id="calculator">200 * 2</gadget>
<output>400</output>

<result>400</result>