The expression is  .

The value of 

                              (Divide,  )

Observe that the decimal (3.14) of the number is repeating, so the number  is a rational number.

§        Observe the Venn diagram:

§        The number  is not a Natural number (N), not a Whole number (W), and not an Integer (Z).

§        The number  is a rational number (Q).

§        All rational numbers (Q) are real numbers (R). 

The number  belongs to Q and R.