Problem: guadalupe owns 2 rectangular tracts of land . one is 300 m by 500 m and the other is 250 m by 630 m . the combined area of these 2 tracts is how many square meters ? 
Options: ['a ) 3,360', 'b ) 307,500', 'c ) 621,500', 'd ) 704,000', 'e ) 2 , 816,000']
b