The aquatic products wholesale market wholesaled 8,427 kg of aquatic products in April, 2,690 kg less than that in March. How many kilograms of aquatic products have been wholesaled by the aquatic product wholesale market in the past two months?
水产批发市场四月份批发水产8427千克，比三月份少2690千克．水产批发市场这两个月共批发水产多少千克？
<gadget id="calculator">8_427 + 2_690 + 8_427</gadget>
<output>19_544</output>

<result>19_544</result>