Xingfu Village wanted to dig a (3/4) kilometer long canal. On the first day, (1/3) was dug, and on the second day, (1/3) kilometer was dug. How many kilometers were dug in total in two days?
幸福村要挖一条长(3/4)千米的水渠，第一天挖了(1/3)，第二天挖了(1/3)千米．两天一共挖了多少千米？
<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>