After Warehouse A transfers (1/5) of the goods to Warehouse B, the goods in Warehouse A and Warehouse B are equal, and the goods in Warehouse B are the same as those in Warehouse A
甲仓调出(1/5)货物到乙仓后，甲乙两仓货物相等，原来乙仓货物是甲仓的多少
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5) - (1/5)</gadget>
<output>3/5 = around 0.6</output>

<result>3/5 = around 0.6</result>