A factory has imported 286 tons of coal, 48 tons have been used, and the rest is planned to take 34 days. How many tons are used on average per day?
某工厂运进286吨煤，已经用了48吨，剩下的计划用34天，平均每天用多少吨？
<gadget id="calculator">286 - 48</gadget>
<output>238</output>

<gadget id="calculator">238 / 34</gadget>
<output>7</output>

<result>7</result>