The cafeteria originally had 2 tons of rice, but 4,300 kilograms were shipped in. The rice is only enough for 7 days. How many kilograms of rice does this cafeteria use on average every day?
食堂原有大米2吨，又运来4300千克，这些大米只够用7天，这个食堂平均每天用大米多少千克？
<gadget id="calculator">2 * 1_000</gadget>
<output>2_000</output>

<gadget id="calculator">2_000 + 4_300</gadget>
<output>6_300</output>

<gadget id="calculator">6_300 / 7</gadget>
<output>900</output>

<result>900</result>