Uncle Wang’s family harvested (5/8) tons of cabbage, but they harvested (1/5) less radish than cabbage. How many tons less radishes does Uncle Wang's family collect than cabbages?
王大伯家收了(5/8)吨白菜，收的萝卜比白菜少(1/5)．王大伯家收的萝卜比白菜少多少吨？
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

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

<gadget id="calculator">(5/8) * (1/5)</gadget>
<output>1/8 = around 0.125</output>

<result>1/8 = around 0.125</result>