YOU SAID:
Last night, I went out to exercise but ends up buying trotters.
INTO JAPANESE
昨夜、私は運動に出かけましたが、トロッターを買うことになりました。
BACK INTO ENGLISH
Last night I went for an exercise but decided to buy a trotter.
INTO JAPANESE
昨夜私は運動に行きましたが、トロッターを買うことにしました。
BACK INTO ENGLISH
Last night I went for an exercise but decided to buy a trotter.
That didn't even make that much sense in English.