A winery can produce 3,000 kilograms in 10 days. Now it needs to produce 800 bottles, each bottle is 0.75 kilograms. How many days will it take?
一个酒厂，10天生产3000千克，现在要生产800瓶，每瓶0.75千克，需几天完成？
<gadget id="calculator">0.75 * 800</gadget>
<output>600</output>

<gadget id="calculator">3_000 / 10</gadget>
<output>300</output>

<gadget id="calculator">600 / 300</gadget>
<output>2</output>

<result>2</result>