A duck farm produces a total of 840 kilograms of eggs a week. How many kilograms of eggs does this duck farm produce on average per day?
一个养鸭场一个星期共产蛋840千克，这个养鸭场平均每天产蛋多少千克？
<gadget id="calculator">840 / 7</gadget>
<output>120</output>

<result>120</result>