求翻译：走出教室，经过一个操场，向前走走出校门，右转，向前走100米左转，穿越斑马线，然后右转，走900米，左转，再走500米，上楼，到了是什么意思？

Out of the classroom, through a playground, walk out of school, turn right, walk 100 meters turn left, cross the zebra crossing, then turn right, walk 900 meters, turn left, walk 500 meters, upstairs, to the

leave the classroom, through a graduate from school playground, go straight ahead and turn right, turn left and go forward to 100 meters across zebra, and then turn right, turn left and walk 900 meters, 500 meters, and then go on to the floor on the

Goes out the classroom, passes through a drill ground, walks forward goes out the school gate, the right-turn, walks forward 100 meters counterclockwise, the traversing zebra crossing, then the right-turn, walks 900 meters, counterclockwise, again walks 500 meters, goes upstairs, to

Out of the classroom, through a playground, walk out of the gate, turn right, walk 100 meters and turn left, crossing the zebra crossing, and then turn right, walk 900 meters, turn left, walk 500 meters, went upstairs, to the

Out of the classroom, through a playground, walk out of the gate, turn right, walk 100 meters and turn left, crossing the zebra crossing, and then turn right, walk 900 meters, turn left, walk 500 meters, went upstairs, to the