Area of the first tract: \[ 300 \times 500 = 150000 \, sq. m. \] Area of the second tract: \[ 250 \times 630 = 157500 \, sq. m. \] Combined area: \[ 150000 + 157500 = 307500 \, sq. m. \] To find the combined area of two rectangular tracts, simply add their individual areas.