Simplify the following text for a Grade 3 native English-speaking person.
Original: Mie has a coastline that stretches 1,094.9 km and , as of 2000 , Mie 's 5,776.44 kmÂ landmass can be divided into 64.8 % forest , 11.5 % agriculture , 6 % residential area , 3.8 % roads , and 3.6 % rivers .
Simplified: The size of Mie Prefecture is 5,776.44 kmÂ . 64.8 % of Mie is forest , 11.5 % is used for growing food , 6 % is used for houses , 3.8 % is used for roads , and 3.6 % are rivers .