After dismissal, Maverick took 6$$\frac{1}{10}$$ min to walk from the school gate to the lift landing of his flat. He waited 1$$\frac{3}{10}$$ min for the lift to come down. He took another 2$$\frac{1}{2}$$ min to go up from the ground floor to his flat on the 18th floor. <hr>How long did he take to reach home from the school gate?