There are two grain depots, A and B, and A has 120 tons of grain in stock. If (1/6) of A's grain storage is transported into B's grain depot, there will be the same amount of grain in the two grain depots. How many tons of grain did warehouse B store?
有甲、乙两个粮库，甲粮库存粮120吨．如果把甲粮库存粮的(1/6)运进乙粮库，两个粮库中的存粮就一样多．原来乙仓库存粮多少吨？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">120 * (1/6)</gadget>
<output>20</output>

<gadget id="calculator">120 - 20 - 20</gadget>
<output>80</output>

<result>80</result>