Express \[{{6}^{2}}\times {{7}^{-4}}\times ({{8}^{-2}})\times {{6}^{3}}\times {{({{7}^{2}})}^{2}}\times {{8}^{4}}\] in the simplest exponential form.

• A. \[{{6}^{5}}{{7}^{2}}\]                           
• B. \[{{6}^{5}}\]
• C. \[{{6}^{-5}}{{7}^{2}}\]                          
• D. \[{{6}^{-5}}{{7}^{-2}}\]