An oil pot weighs 300 grams, and when filled with oil, it weighs 5300 grams. How many kilograms does the oil in the pot weigh?
一只油壶重300克，装满油后称5300克，壶里的油重多少千克？
<gadget id="calculator">5_300 - 300</gadget>
<output>5_000</output>

<gadget id="calculator">5_000 / 1_000</gadget>
<output>5</output>

<result>5</result>