Question 37299
From 8.38 x 107 feet - 5.84 x 107 feet, we merely multiply the terms and then subtract, giving us
8.38 x 107 feet - 5.84 x 107 feet = 
896.66 feet - 624.88 feet =
271.28 feet
Of course we could have factored out the 107 first, but this works just fine.