A polynomial is given by $t=-3\mathrm{.}0n^2-2\mathrm{.}5n+0\mathrm{.}5.$ Read $n$ from input as a float and compute $t$ using the polynomial. Ex: If the input is $3\mathrm{.}7,$ then the output is:

$-49\mathrm{.}820$

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