A polynomial is given by h$=2\mathrm{.}5$w$^2+9\mathrm{.}0$w$+4\mathrm{.}5$

$.$ Read w from input as a float and compute h using the polynomial.

Ex: If the input is $1\mathrm{.}8,$ then the output is:

$28\mathrm{.}800$

Note:

w$2$ can be computed using $*.$