英语、数学作业英语造句country:speak:come form:in the middle:world：数学是一道应用题：一个数减去2368,小明在计算时把被减数百位和十位上的数交换位置了,结果得6278,正确的结果是多少?急!数学要列式!好的再加10分!

I"m from a big conutry
I can speak english
I come from yiwu
He passed in the middle of the garden
the foreingers come from different country
6278+2368=8646
将8646百位与十位交换得8466
8466-2368=6098
所以正确结果为6098