A polynomial is given by $p=9\mathrm{.}0n^2+7\mathrm{.}5n+8\mathrm{.}0.$ Declare double variables $n$ and $p.$ Then, read $n$ from input and compute $p$ using the polynomial.

Ex: If the input is $2\mathrm{.}3,$ then the output is:

$72\mathrm{.}860$

Note: $n^2$ can be computed using $*.$