The supermarket sells an average of 29 kilograms of apples per hour. Its business hours are from 8:30 to 18:30 throughout the day. How many kilograms of apples does the supermarket sell every day?
超市平均每小时卖出苹果29千克，它全天的营业时间是8：30-18：30，超市每天卖出苹果多少千克．
<gadget id="calculator">29 * 10</gadget>
<output>290</output>

<result>290</result>