The primary school attached to China Normal University launched the "I am a small environmental protection guard" activity. Class 3 and Class 1 picked up 269 discarded plastic bags, and Class 3 and Class 2 picked up 341. How many discarded plastic bags were picked up in total by Class 3 and Class 2?
华师附小开展"我是环保小卫士"活动．三1班同学捡了269个废弃塑料袋，三2班捡了341个，两班一共捡了多少个废弃塑料袋．
<gadget id="calculator">269 + 341</gadget>
<output>610</output>

<result>610</result>