50 kg of white sugar was used (1/5), and the rest (1/5) was added later, and there was white sugar at this time. how many kilograms
50千克的白糖用了(1/5)，后来又增加了剩下的(1/5)，这时有白糖．多少千克
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

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

<gadget id="calculator">50 - 10</gadget>
<output>40</output>

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

<gadget id="calculator">40 * (6/5)</gadget>
<output>48</output>

<result>48</result>