Looking at the generic reaction: 2 X + 3 Y 4 W + Z

If each of the substances have the following H values, what is the H_rxn ?

X = (4.39x10^2) kJ/mol;

Y = (-3.010x10^2) kJ/mol;

Z = (3.7x10^2) kJ/mol;

W = (-1.22x10^2) kJ/mol

Provide the answer in scientific notation.