Divide the 4-ton cargo into 9 parts on average, how many tons is each part.
把4吨重的货物平均分成9份，每份是多少吨．
<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>

<result>4/9 = around 0.444444</result>