The store shipped 8 boxes of eggs and duck eggs. Eggs are 25kg per box, and duck eggs are 32kg per box. How many kilograms of eggs and duck eggs are shipped in total?
商店运来鸡蛋、鸭蛋各8箱．鸡蛋每箱25千克，鸭蛋每箱32千克．一共运来鸡蛋和鸭蛋共多少千克？
<gadget id="calculator">25 + 32</gadget>
<output>57</output>

<gadget id="calculator">57 * 8</gadget>
<output>456</output>

<result>456</result>