$\backslash$table$[[$Department$,$Waiting,Reception,Records$/$Lounge Examination,$\backslash$table$[[$Outpatient$],[$Surgery$]],\backslash$table$[[$Physical$],[$Therapy$]]],[$A: Waiting,$-,,,,],[$B: Reception,$95,-,-,,],[$C: Records$/$Lounge$,25,145,20,-,],[$D: Examination,$30,15,15,50,-],[$E: Outpatient Surgery,$10,10,0,10,30],[$F: Physical Therapy,$20,15,0,-,]]$

a$.$ If Dr$.$ Douvas wants Reception assigned to area B$,$ the maximum possible number of arrangements is $120.($Enter your response as a whole number.$)$

b$.$ The total distance of the given layout is feet. $($Enter your response as a whole number.$)$