A bottle of oil weighs 5025 grams in total. After half of the oil is used up, the bottle still weighs 2525 grams. How many grams does the oil weigh?
一瓶油，连瓶共重5025克，用去一半油后连瓶还重2525克，油重多少克？
<gadget id="calculator">5_025 - 2_525</gadget>
<output>2_500</output>

<gadget id="calculator">2_500 * 2</gadget>
<output>5_000</output>

<result>5_000</result>