The school shipped 10 tons of coal, and after 8 days of burning, there are still 4 tons left. How many tons of coal are burned per day on average?
学校运来10吨煤，烧了8天后还剩4吨，平均每天烧煤多少吨？
<gadget id="calculator">10 - 4</gadget>
<output>6</output>

<gadget id="calculator">6 / 8</gadget>
<output>3/4 = around 0.75</output>

<result>3/4 = around 0.75</result>