A store shipped 1 ton of rice, sold 140 kilograms in the first two days, and the rest had to be sold within 4 days. How many kilograms of rice would it sell on average per day?
一个商店运来1吨大米，前两天卖出了140千克，剩下的要在4天内卖完，平均每天要卖多少千克大米？
<gadget id="calculator">1 * 1_000</gadget>
<output>1_000</output>

<gadget id="calculator">1_000 - 140</gadget>
<output>860</output>

<gadget id="calculator">860 / 4</gadget>
<output>215</output>

<result>215</result>