Given a program with $171$ million instructions, $30\%$ of type A$,40\%$ of type B and $30\%$ of type C$,$ what is the execution time $($in milliseconds$)$ on a machine with a clock frequency of $3\mathrm{.}8$ GHz if CPI$($A$)=1\mathrm{.}7,$ CPI$($B$)=3\mathrm{.}8,$ CPI$($C$)=3\mathrm{.}7$