train has 20 carriages and carries a total of 156 tons of cargo. How many tons does each carriage carry on average?
一列火车有20节车厢，共载货156吨，平均每节车厢约载货多少吨？
<gadget id="calculator">156 / 20</gadget>
<output>39/5 = around 7.8</output>

<result>39/5 = around 7.8</result>