A cube with six faces printed with a, a, b, b, c, c, respectively, is thrown several times, and what is the probability that the letter c faces upwards?
一个正方体木块6个面分别印着a、a、b、b、c、c，投掷若干次，字c朝上的可能性是多少．
<gadget id="calculator">2 / 6</gadget>
<output>1/3 = around 0.333333</output>

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