If $$+$$ means $$\div$$ , $$-$$ means $$+$$ , $$\times$$ means - and $$\div$$ means $$\times$$, then what will come in place of ? in the given equation?
$$6 \div 4 \times 10 + 2 - 3 =$$ ?

A

15

B

22

C

20

D

18