Transfer (1/5) of the grain stored in Warehouse A to Warehouse B, and the grains stored in the two warehouses are equal. The original grain stored in Warehouse B is ((())/(())) of Warehouse A.
把甲仓库存粮的(1/5)调入乙仓库，两仓库存粮相等，原来乙仓库的存粮是甲仓库的((())/(()))．
<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>