Answer:
-955
solving steps:
Priority order
Now
[tex]\\ \rm\Rrightarrow 8/2+81-65(4^2)[/tex]
[tex]\\ \rm\Rrightarrow 4+81-65(16)[/tex]
[tex]\\ \rm\Rrightarrow 85-1040[/tex]
[tex]\\ \rm\Rrightarrow -955[/tex]