A water conservancy site dug a canal (3/4) kilometers long, and (1/3) was dug in the first week. How many kilometers were dug in the first week? How many.
水利工地挖一条长(3/4)千米的水渠，第一周挖了(1/3)，第一周挖了多少千米？多少．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

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

<gadget id="calculator">(3/4) * (1/3)</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>