My wife die because this one

We have that1) camille in  222 days  has > 777+333*(222-> 74370 miles2) hiroki star walking 555 miles  until he has walked the same number of miles as camille(555-333)=222 miles > (difference in miles between both)if 222 miles > 1 day74370 > xx=74370/222=335 daystherefore  if camille and hiroki will have walked the same number of miles, l camille will have > 222+335=557 daysthe answer is 557 days