Create a Console App. $-$ Name the class "Calculator.cs$"($only one class$).(5\backslash \%)-$ In main$()(35\%)$ Enter First Operand$($double$),$ Operator$($string$),$ Second Operand$($double$).$ create switch case switch $($oprt$)\backslash \{$ case $"+""$: call addition method case $"-"$: call substraction method case $"*"$: case $"/"$: default: "You did not enter a correct operator, no calculation done." $\backslash \}-$ Create four static methods: public static double Addition$($ double x$,$ double y$)(15\backslash \%)$ public static double Substraction$($double x$,$ double y$)(15\backslash \%)$ public static double Division$($double x$,$ double y$)(15\%)$ public static double Multiplication$($double x$,$ double y$)(15$