On Xiaojun's birthday, his mother bought a cake and cut (1/3) for Xiaojun. Xiaojun only ate (1/2) of it. How much of the whole cake did Xiaojun eat?
小军过生日，妈妈买来一个蛋糕，切了(1/3)给小军，小军只吃了其中的(1/2)，小军吃了整个蛋糕的几分之几？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/3) * (1/2)</gadget>
<output>1/6 = around 0.166667</output>

<result>1/6 = around 0.166667</result>