The upper fence from describe() output

The output of df["dodacia_lehota"].describe() for the delivery time of orders in days:

count    240.0
mean      41.2
std       12.9
min       18.0
25%       31.5
50%       38.0
75%       47.0
max      112.0

From what value do we consider a delivery time an outlier by the $1.5 \cdot IQR$ rule? Enter the upper fence.