Xiaohong's home is 180 meters south of the Yanhe Post Office, and her school is 200 meters north of the post office. After school, Xiaohong walked at a speed of 90 meters per minute for 4 minutes. Did Xiaohong get home?
小红家在盐河邮局南边180米处，学校在邮局北边200米，放学时，小红以每分钟走90米的速度，走了4分钟，这时小红到家了吗？
<result>4</result>