\begin{align*}
& 1 + \frac{1}{\frac{4}{5}} + \frac{1}{\frac{3}{5}} + \frac{1}{\frac{2}{5}} + \frac{1}{\frac{1}{5}} \\
& = 1 + \frac{5}{4} + \frac{5}{3} + \frac{5}{2} + \frac{5}{1} \\
& = \frac{12 + 15 + 25 + 30 + 60}{12} \\
& = \frac{142}{12} = 11.833
\end{align*}
in-context