Three workers can pick 300 kg of grapes in 2.5 hours. According to this calculation, if a worker works 8 hours a day, how many kilograms of grapes can be picked in a day? (Column comprehensive formula solution)
3个工人2.5小时可以采摘葡萄300千克．照这样计算，1个工人每天工作8小时，一天可以采摘葡萄多少千克？(列综合算式解答)
<gadget id="calculator">300 / 3 / 2.5</gadget>
<output>40</output>

<gadget id="calculator">40 * 8</gadget>
<output>320</output>

<result>320</result>