A bottle of beverage weighs 3 kilograms, and after filling 3 cups of the same size, there will be 300 grams of beverage left in the bottle. How many grams per drink?
一瓶饮料3千克，倒满3个同样大小的杯子后，瓶里还剩300克饮料．每杯饮料多少克？
<gadget id="calculator">3 * 1_000</gadget>
<output>3_000</output>

<gadget id="calculator">3_000 - 300</gadget>
<output>2_700</output>

<gadget id="calculator">2_700 / 3</gadget>
<output>900</output>

<result>900</result>