英语脑筋急转弯 | Bus Driver

Riddle:

You are a bus driver at a station. 10 get on the bus and no one gets off. You drive 10 miles to another station where 3 people get on and 1 gets off. You drive another 10 miles only to get 25 people on and 5 people go off. Next you drive 3 miles while 12 people exit the bus. You drive back to the place knowing that a couple more stops along the way untill the ride is done. At the 2nd to last station 5 people get on and 2 get off. And at the last station (5.5 miles) 25 people get on for no reason and 1 gets off. What is the bus drivers eye color?

Answer:

Brown/blue/green (i don't know how i would put it though so if you guessed your eye color you got it right :) )