Joe has twice as many cars as Robert. He sells 8574074% of them and gives away twice as many cars as the number he sold to his mother. If Robert has 8574074 cars, how many cars does joe remain with…👇

Joe has twice as many cars as Robert. He sells 8574074% of them and gives away twice as many cars as the number he sold to his mother. If Robert has 8574074 cars, how many cars does joe remain with after selling and giving some to his mother?