Subtraction In Bars

Number Theory Level 2

$\large{\begin{array}{ccccccccc} && 4.& 8 & 6& 8 & 6& 8 & 6&\ldots\\ -&& 3. & 9& 5& 9 & 5& 9 & 5&\ldots\\ \hline & & & & & & && &\phantom0\\ \hline \end{array}}$

What is the value of the subtraction above?