There are two warehouses A and B. Warehouse A stores 40 tons of rice. If (1/3) of the rice is shipped from warehouse B to warehouse A, then the amount of rice in warehouses A and B is the same. How many tons of rice does Warehouse B have?
有甲、乙两个仓库，甲仓库存大米40吨，如果从乙仓库中运出(1/3)的大米到甲仓库，那么甲、乙两个仓库中大米一样多．乙仓库有大米多少吨？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/3) - (1/3)</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">40 / (1/3)</gadget>
<output>120</output>

<result>120</result>