If you mean 6²
2(3)+4 that would be 36
10 or 3.6
If you mean 6²/2(3)+4 then 36/2=18 x 3= 54 +4=58 (following order of operation)
If you meant the first example I did, I would have rewritten it as
6² ÷ (2x3+4)= for clarity. That would force me to do what is in parentheses first.