There are two granaries, A and B. There are 20 tons of grain in A and 30 tons in B. After a certain amount of grain is transported into one granary, the weight of the grain in one of the granaries is the weight of the grain in the other (5/6), then how many tons is the weight of the grain transported later.
有甲、乙两个粮仓，甲仓中有粮食20吨，乙仓有粮食30吨，现向一个粮仓中运进一定量的粮食后，其中一个粮仓中的粮食重量是另一个粮仓中粮食重量的(5/6)，则后运进的粮食的重量是多少吨．
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">30 * (5/6)</gadget>
<output>25</output>

<gadget id="calculator">25 - 20</gadget>
<output>5</output>

<result>5</result>