Define a method calcNum$()$ that has one double parameter and returns the parameter minus $6\mathrm{.}9$ if the parameter is greater than $7\mathrm{.}0.$ Otherwise, calcNum$()$ returns the parameter plus $6\mathrm{.}9.$Click here for examplesEx $1$: If the input is $9\mathrm{.}9,$ then the output is:$3\mathrm{.}00$Ex $2$: If the input is $2\mathrm{.}5,$ then the output is:$9\mathrm{.}40$