A (5/6) kilometer canal was built, and (3/5) of it was repaired in 4 days, how many kilometers was repaired on average per day?
修一条(5/6)千米的水渠，4天修了它的(3/5)，平均每天修多少千米？
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(3/5) / 4</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">(5/6) * (3/20)</gadget>
<output>1/8 = around 0.125</output>

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