There are two grain depots, A and B, and A has 120 tons of grain in stock. If 1/3 of the grain in A grain depot is moved into B grain depot, the grain in the two grain depots is just equal, how many tons of grain in B grain depot?
甲、乙两个粮库，甲粮库存粮120吨．如果把甲粮库中粮食的(1/3)搬进乙粮库，两个粮库的粮食刚好相等，原来乙粮库存粮多少吨？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

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

<result>40</result>