Values of \( \Delta G_f^0 \) (standard Gibbs free energy of formation) for molecules A, B, and C are
\[
\Delta G_f^0(A) = -34 \, \text{kJ/mol}, \quad \Delta G_f^0(B) = 84 \, \text{kJ/mol}, \quad \Delta G_f^0(C) = -100 \, \text{kJ/mol},
\]
respectively. The \( \Delta G^0 \) for the reaction \( A + B \rightarrow C \) would be ............ kJ/mol (round off to 1 decimal place)