[백준] 5355

import sys
for _ in range(int(sys.stdin.readline())):
    tmp=list(sys.stdin.readline().split())
    ans=float(tmp[0])
    for i in range(1,len(tmp)):
        if tmp[i]=='@': ans*=3
        elif tmp[i] == '%': ans += 5
        elif tmp[i] == '#': ans -= 7
    print("%.2f"%ans)