Mom went to the supermarket and bought two bags of rice, A and B. Bag A contained 12kg of rice. If (1/4) is poured from bag B to bag A, the two bags of rice will have the same weight. How much rice did bag B originally contain?
妈妈到超市买了甲乙两袋米，甲袋装了12kg的米．如果从乙袋中倒出(1/4)给甲袋，两袋米就一样重．乙袋原来装了多少米？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">2 * (1/4)</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 - (1/2)</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">12 / (1/2)</gadget>
<output>24</output>

<result>24</result>