3x(2^2+6)x(2+2^3)
3x(4+6)x(2+8)
3x10x10
30x10
300
PEMDAS
p=perenthases
e=exponents
m&d=multipacation and or divition dosent matter what order
a&d=addition and or subtraction dosent matter what order
fallow this order in the parenthases also
this is long but hope it helps :)