If '+' means '$$\times$$' , '-' means '$$\div$$' ×'means '+' , and '$$\div$$' means '-'. what will come in place of the question mark (?) in the following equation?

​$$15 + 3 - 5 \div 7 \times 6 = ?$$​​
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 '+' means '$$\times$$' , '-' means '$$\div$$' 
$$\times$$'means '+' , and '$$\div$$' means '-'.

= 15 $$\times$$ $$\frac{3}{5}$$ - 7 + 6

= 9 - 7 + 6

= 15 - 7

= 8

Thus, the correct option is (b)