A piece of colored paper, Xiaoying made a frog with (1/3) of it, and Xiao Tang made a rabbit with (1/3) of it. How much color paper is left?
一张彩纸，小颖用它的(1/3)做了一只青蛙，小唐用它的(1/3)做了一只兔子．彩纸还剩几分之几？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

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

<result>1/3 = around 0.333333</result>