The following data are given in relation to turning operation of a cylindrical workpiece.
Diameter of the workpiece = 160 mm, length of the workpiece = 190 mm, cutting velocity = 80 m/min, and tool feed = 0.2 mm/rev.
Assuming the approach and the overrun of the tool to be 5 mm each, the machining time (in minutes) is _____ . (Answer in integer)