A laundry shop can save 1,400 kilograms of water a week because of updating the washing machine. How many kilograms of water can be saved on average every day?
某洗衣店因更新了洗衣机，一个星期可节约用水1400千克，平均每天节约用水多少千克？
<gadget id="calculator">1_400 / 7</gadget>
<output>200</output>

<result>200</result>