There are 6 baskets of pears in the fruit shop in the morning, and each basket weighs 65 kilograms. After selling some in the morning, there are still 280 kilograms left. How many kilograms are sold in the morning?
早上水果店里有6筐梨，每筐梨重65千克，上午卖出一些后还剩下280千克，上午卖出多少千克？
<gadget id="calculator">65 * 6</gadget>
<output>390</output>

<gadget id="calculator">390 - 280</gadget>
<output>110</output>

<result>110</result>