Uncle Wang uses a fence to surround a rectangular vegetable field with a length of 35 meters and a width of 10 meters. What is the minimum length of the fence?
王大爷靠墙用篱笆围一个长35米，宽10米的长方形菜地，最少需要准备多长的篱笆？
<gadget id="calculator">10 * 2</gadget>
<output>20</output>

<gadget id="calculator">35 + 20</gadget>
<output>55</output>

<result>55</result>