A bag of rice is less than (1/5) kilograms of rice in bag B, how much more rice in bag B than bag A in kilograms
甲袋米比乙袋米少(1/5)千克，乙袋米比甲袋米多多少千克
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>