Divide 4 tons of goods into 5 shipments on average, how many tons of goods are shipped each time.
把4吨货物平均分成5次运完，每次运多少吨货物．
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<result>4/5 = around 0.8</result>