YOU SAID:

Today I walked to school so that I can do exercise

INTO JAPANESE

私が行うことができますので、学校に歩いてする今日運動

BACK INTO ENGLISH

So I can walk to school, to exercise today

INTO JAPANESE

だから私は今日運動は学校に歩くことができます。

BACK INTO ENGLISH

So I today exercise is walking to school.

INTO JAPANESE

だから私は今日運動は、学校に歩いています。

BACK INTO ENGLISH

So I today exercise is walking to school.