In an imaginary mathematical system, symbol '-' stands for addition, symbol '+' stands for division, symbol '$$\times$$' stands for subtraction, and symbol '$$\div$$' stands for multiplication. All other rules of mathematics are the same as in the existing system. What is the value of the following expression?
240 $$\times$$ 72 + 8 $$\div$$ 24 - 6

A

30

B

36

C

26

D

19