The store sold 340 shells in the morning, and 270 more shells in the afternoon than in the morning. How many shells were sold in the morning and afternoon?
商店上午卖出340个贝壳，下午比上午多卖出270个贝壳，上午和下午共卖出多少个贝壳？
<gadget id="calculator">340 + 270</gadget>
<output>610</output>

<gadget id="calculator">340 + 610</gadget>
<output>950</output>

<result>950</result>