The vector u $=<3260,1410,2229>$ gives the number of hamburgers, chicken sandwiches, cheeseburgers, respectively, sold at a fast$-$food restaurant in one week. The vector v $=<2\mathrm{.}55,2\mathrm{.}25,2\mathrm{.}95>$ gives the prices $($in dollar$)$ per unit for the three food items. Find the dot product u $*$ v$.$