Xiao Ming is going to call his classmate, but he only remembers that the first six digits of his classmate's eight-digit phone number are 876045, and he also remembers that the largest number in the number is 8, and each number is not repeated. Xiao Ming randomly dials a number according to this rule, then the probability that he dials the correct number can be expressed as a fraction.
小明准备给同学打电话，但他只记得同学家八位电话号码的前六位是876045，还记得号码中最大的数为8，且各个数字不重复．小明按此规律随机地拔打了一个号码，则他拨打电话号码正确的可能性大小可用分数表示为多少．
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

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