The road construction team wants to lay a (3/5) kilometer long road, and it takes 4 days to pave (1/3). How many kilometers are laid per day on average?
修路队要铺设一条长(3/5)千米的公路，4天铺了它的(1/3)．平均每天铺设多少千米？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/3) / 4</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">(3/5) * (1/12)</gadget>
<output>1/20 = around 0.05</output>

<result>1/20 = around 0.05</result>