## Lua, 165 Bytes

    l={}i=1while(l[i-1]~="")do l[i]=io.read()o=l[i]:find"%*"x=o or x y=o and i or y i=i+1 end print(#l[i-2]:sub(1,x):gsub("%S+%s*","#")*100+(i-y-1)*10+#l[y]:match"#-%*")

**Ungolfed**

    l={}
    i=1
    while(l[i-1]~="")do
        l[i]=io.read()
        o=l[i]:find"%*" --find "*", and record:
        x=o or x        --position and
        y=o and i or y  --current floor
        i=i+1
    end
    print(#l[i-2]:sub(1,x):gsub("%S+%s*","#")*100 --[[Take last string of list, and then
                                                      take the substring up until the 
                                                      asterisk. Substitute any substrings
                                                      that include nonspace characters 
                                                      (%S+) followed by a minimum of 0 space 
                                                      characters (%s*) with one character
                                                      (in this code snippet I chose # for no 
                                                      particular reason.) Then take the length 
                                                      of this string, with the # operator. 
                                                      The %S+%s* regex and gsub do the bulk 
                                                      of the magic.
                                                    ]]
          +(i-y-1)*10                             --[[Total number of lines minus '*' floor 
                                                      minus one.
                                                    ]]
          +#l[y]:match"#-%*")                     --[[Find the substring on the asterisk floor
                                                      with '#' symbols preceding an asterisk.
                                                    ]]