I think if they ever publish Catwoman's Box Office returns they will convert it into yen and conveniently display the fact that it was converted at the very bottom in size 2 font.
Here is the real info in case you want to know:
"BOX OFFICE SUMMARY Box Office Total: $40,173,429 Box Office Opening: $16,728,411 No. of Weeks in Top 10: 3 Highest Ranking: 3 "