How much heat is released when 35.0g of ethanol is burned?

Ethanol (C2H5OH) burns according to the equation C2H5OH(l)+3O2(g)=2CO2(g)+3H2O(l),Δh°rxn=-1367kJ/mol. How much heat is released when 35.0g of ethanol is burned? Answer is 1,040kJ. Could some one set this problem step by step