About 305 u would do 70 - 65 =5 and 800-500=300 and 300+5=305. :)
Big Bend National Park has 305 more oak trees than Brazos Bend State Park. This is calculated by subtracting the number of oak trees in Brazos Bend from the number in Big Bend. The calculation performed is 870 - 565 = 305.
;