Aunt Li wants to surround a rectangular chicken farm with a length of 10 meters and a width of 6 meters. If the short side is against the wall, how many meters should the fence be at least?
李大妈想围一个长10米、宽6米的长方形养鸡场，如果短边靠墙，至少要篱笆多少米？
<gadget id="calculator">10 * 2</gadget>
<output>20</output>

<gadget id="calculator">20 + 6</gadget>
<output>26</output>

<result>26</result>