Evaluate the Determinant $\left|\begin{array}{ccc}1.0 & 8.8 & -3.1 \\ 7.8 & 1.5 & 5.3 \\ -3.3 & 2.0 & 6.4\end{array}\right|$

Evaluate the determinant: $\left|\begin{array}{ccc}1.0 & 8.8 & -3.1 \\ 7.8 & 1.5 & 5.3 \\ -3.3 & 2.0 & 6.4\end{array}\right|$