5 vehicles transported coal at the same time, transported a total of 800 tons in 4 days, how many tons per vehicle per day on average.
5辆汽车同时运煤，4天共运了800吨，平均每辆车每天运多少吨．
<gadget id="calculator">800 / 4 / 5</gadget>
<output>40</output>

<result>40</result>