YOU SAID:
The dog ate the cat who eight seven
INTO JAPANESE
犬は八七の猫を食べた
BACK INTO ENGLISH
The dog ate eighty-seven cats
INTO JAPANESE
その犬は87匹の猫を食べた
BACK INTO ENGLISH
The dog ate 87 cats
INTO JAPANESE
犬は87匹の猫を食べました
BACK INTO ENGLISH
the dog ate 87 cats
INTO JAPANESE
その犬は87匹の猫を食べた
BACK INTO ENGLISH
The dog ate 87 cats
INTO JAPANESE
犬は87匹の猫を食べました
BACK INTO ENGLISH
the dog ate 87 cats
it is unlikely that this phrase will ever reach equilibrium