GATE Mechanical Engineering (ME) 2023 Shift 1 Solved Paper

Two meshing spur gears 1 and 2 with diametral pitch of 8 teeth per mm and an angular velocity ratio |ω2 |/|ω1 | = 1/4, have their centers 30 mm apart. The number of teeth on the driver (gear 1) is _______ .
(Answer in integer)