Write the answer in short form (decimal number) : 7000 + 300 + 60 + 6 + $\large\frac{6}{10}$ + $\large\frac{8}{100}$ + $\large\frac{9}{1000}$

Question

( A ) 7.366689
( B ) 73.66689
( C ) 736.6689
( D ) 7366.689