There are 5 tons of goods, and the average shipment is 7 times. How much is this batch of goods each time?
有5吨货物，平均7次运完，每次运这批货物的多少
<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>

<result>1/7 = around 0.142857</result>