The lengths of the two intersecting sides of a parallelogram vegetable field are 28 and 46 meters respectively. How many meters of fence are needed to surround this vegetable field?
一个平行四边形菜地的两条相交的边的长分别是28和46米，围这个菜地需要多少米长的篱笆？
<gadget id="calculator">28 + 46</gadget>
<output>74</output>

<gadget id="calculator">74 * 2</gadget>
<output>148</output>

<result>148</result>