New Year's Day is coming, Xiaohong and Xiaoming set up a column on the wall behind the classroom, 140 cm wide, 130 cm longer than the width, and paste lace around the column, how many centimeters of lace do they need to buy?
元旦节快到了，小红和小明在教室后面的墙上办了一个专栏，宽140厘米，长比宽多130厘米，专栏的四周贴上花边，需买多少厘米的花边？
<gadget id="calculator">140 + 130</gadget>
<output>270</output>

<gadget id="calculator">270 + 140</gadget>
<output>410</output>

<gadget id="calculator">410 * 2</gadget>
<output>820</output>

<result>820</result>