I mean ok
so if you just wanted it to be simplified
ok so we know that a(bc)=(ab)c so we can move the mutiplys aroudn
(254.34)(pi)(4)+(324)(2)=
1017.36pi+648
if we use 3.141592 for pi or use the pi button on calculator
319613.07020561120490823548724132+648=
320261.07020561120490823548724132