The cafeteria bought (2/5) tons of radishes, and bought (1/5) tons more cabbages than radishes. How many tons of cabbages did the cafeteria buy?
食堂买来(2/5)吨萝卜，买来的白菜比萝卜多(1/5)吨，食堂买来白菜多少吨？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(2/5) + (1/5)</gadget>
<output>3/5 = around 0.6</output>

<result>3/5 = around 0.6</result>