There are 50 people in class A, and (1/5) people are transferred from class A to class B. At this time, the number of people in class B is more than that of class A (1/5). How many people were there in Class B?
甲班有50人，从甲班调(1/5)的人到乙班，这时乙班的人数比甲班多(1/5)．乙班原有多少人？
<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>