Xiao Ming divided the cake and gave all (1/3) to his father, and gave the same amount of cake to his mother. How much of the cake did Xiao Ming give to his father and mother?
小明分蛋糕，将全部(1/3)的给了爸爸，又将同样多的蛋糕给了妈妈，小明将蛋糕的几分之几给了爸爸和妈妈？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(1/3) + (1/3)</gadget>
<output>2/3 = around 0.666667</output>

<result>2/3 = around 0.666667</result>