Xiao Ming walks to school and walks 315 meters in 3 minutes. According to this calculation, he can reach the school in another 5 minutes. How many meters are there in total from his home to the school?
小明步行去学校，3分钟走了315米，照这样计算，再走5分钟就能到校，他家到学校一共有多少米．
<result>845</result>