There are 50 kg of rice in bag A. Take out (1/5) from bag A and put it in bag B. At this time, there is more rice in bag B than in bag A (1/5). How much rice was in bag B?
甲袋里有大米50千克．从甲袋里拿出(1/5)放到乙袋里．这时乙袋里的大米比甲袋多(1/5)．乙袋里原来有多少大米？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">50 * (4/5) * (6/5)</gadget>
<output>48</output>

<gadget id="calculator">50 * (1/5)</gadget>
<output>10</output>

<gadget id="calculator">48 - 10</gadget>
<output>38</output>

<result>38</result>