stuck, 139 bytes

Result

WA

Duration

489ms

Code [DL]

ssss["x:map(int,x.split())"mT"x:[x[3]-e for e in x]"mT]yu]u]u][
______________
1&u5&u6&*u3&u8&*-*u2&u3&u7&*u4&u6&*-*u0&u4&u8&*u5&u7&*-*++6/

stdin

71 06 89
13 36 63
07 19 89
27 71 35

stdout

5054.0

stderr

strace