Answer :
[tex]\huge\text{Hey there!}[/tex]
[tex]\large\boxed{\rm{(3 + 4)(9 + 3)}}\\\\\large\boxed{\rm{3 + 4 = \boxed{\bf 7}}}\\\\\large\boxed{= \rm{\bold{7}(9 + 3)}}\\\\\large\boxed{\rm{9 + 3 = \boxed{\bf 12}}}\\\\\large\boxed{\rm{= 7(\bold{12})}}\\\\\large\boxed{\rm{= \bf 84}}\\\\\\\\\huge\boxed{\textsf{Therefore, your answer is: \boxed{\textsf{84}}}}\huge\checkmark[/tex]
[tex]\large\textsf{Your answer: To sum it all the SECOND STEP is to \bf solve the}\\\rm{\bf 2^{nd}}\large\textsf{ \bf set outside of the parentheses}[/tex]
[tex]\large\boxed{\textsf{Good luck on your assignment and enjoy your {day!}}}[/tex]
~[tex]\frak{Amphitrite1040:)}[/tex]