A grain store shipped 5 tons of rice, sold 1,400 kilograms two days ago, and the rest had to be sold within 3 days. How many kilograms will be sold on average every day in the next three days?
一个粮店运来5吨大米，前两天卖了1400千克，剩下的要在3天内卖完．后三天平均每天要卖多少千克？
<gadget id="calculator">5 * 1_000</gadget>
<output>5_000</output>

<gadget id="calculator">5_000 - 1_400</gadget>
<output>3_600</output>

<gadget id="calculator">3_600 / 3</gadget>
<output>1_200</output>

<result>1_200</result>