The volume V, of a solid is given by the formula \[V=\pi ({{R}^{2}}-{{r}^{2}})h.\] Find the value of V, given that \[R=8,\text{ }r=5,\text{ }h=3\frac{1}{2}\]and \[\pi =\frac{22}{7}\].

• A.  \[393\]  
• B.  \[429\]       
• C.      \[492\]       
• D.      \[294\]