改错:My school is 6 kilometres far away from home.请说明怎样改和原理~

问题描述:

改错:My school is 6 kilometres far away from home.请说明怎样改和原理~
楼下的,但是还是不够懂。
有数量词就不加far,那没有数量词,就是这样咯?:“My school is far away from home”意思就是:我的家离学校很远?

My school is 6 kilometres away from home .
有具体数量词出现:6 kilometres ,就没有far.
information 不可数,所以就它错了呗.不是改错题吗?