Dig a canal of (3/4) kilometers long, (1/3) was dug in the first week, and (1/3) kilometer was dug in the second week. How many kilometers did you dig in two weeks?
挖一条长(3/4)千米的水渠，第一周挖了(1/3)，第二周挖了(1/3)千米．两周一共挖了多少千米？
<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>

<gadget id="calculator">(1/4) + (1/3)</gadget>
<output>7/12 = around 0.583333</output>

<result>7/12 = around 0.583333</result>