YOU SAID:
5 mattresses with four blue coats
INTO JAPANESE
青いコート4枚付きマットレス5枚
BACK INTO ENGLISH
5 mattresses with 4 blue coats
INTO JAPANESE
青いコート4枚とマットレス5枚
BACK INTO ENGLISH
4 blue coats and 5 mattresses
INTO JAPANESE
青いコート4枚とマットレス5枚
BACK INTO ENGLISH
4 blue coats and 5 mattresses
That didn't even make that much sense in English.