YOU SAID:
I was trapped in a room with 3 other kids.
INTO JAPANESE
私は他の3人の子供がいる部屋に閉じ込められました。
BACK INTO ENGLISH
I was trapped in a room with three other children.
INTO JAPANESE
私は他の3人の子供がいる部屋に閉じ込められました。
BACK INTO ENGLISH
I was trapped in a room with three other children.
That didn't even make that much sense in English.