1, 2, 3, 3, 5, and 6 are written on the six sides of a square. If the square is thrown, what is the probability that the number 3 will come up?
一个正方形的六个面上分别写着1、2、3、3、5、6，把正方形掷出去，数字3向上的可能性是多少．
<gadget id="calculator">2 / 6</gadget>
<output>1/3 = around 0.333333</output>

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