The building material store has 3,000 kilograms of cement. After shipping for 4 days, there are still 600 kilograms left. How many kilograms are shipped on average every day?
建材商店有水泥3000千克，运了4天，还剩下600千克，平均每天运多少千克？
<gadget id="calculator">3_000 - 600</gadget>
<output>2_400</output>

<gadget id="calculator">2_400 / 4</gadget>
<output>600</output>

<result>600</result>