Mom cut a cake (1/4) for Honghong, but Xiaohong only ate (2/3) of this cake, how much of this cake did Xiaohong eat.
妈妈给红红切了一个蛋糕的(1/4)，可是小红只吃了这块蛋糕的(2/3)，小红吃了这个蛋糕的多少．
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(1/4) * (2/3)</gadget>
<output>1/6 = around 0.166667</output>

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