YOU SAID:

How many years are in three million years

INTO JAPANESE

３ ０ ０万年に何年あるか

BACK INTO ENGLISH

I don't know how many years there are in three million years.

INTO JAPANESE

３ ０ ０万年後に何年あるかわからない

BACK INTO ENGLISH

I don't know how many years there will be in three million years.

INTO JAPANESE

３ ０ ０万年後には何年になるかわからない。

BACK INTO ENGLISH

I don't know what year it will be in three million years.

INTO JAPANESE

３ ０ ０万年後は何年になるかわからない。

BACK INTO ENGLISH

I don't know what year it will be in three million years.