stuck, 281 bytes

Result

WA

Duration

535ms

Code [DL]

ssss["x:map(int,x.split(' '))"m"x:[x[1][0]-x[0][0],x[1][1]-x[0][1],x[1][2]-x[0][2],x[2][0]-x[0][0],x[2][1]-x[0][1],x[2][2]-x[0][2],x[3][0]-x[0][0],x[3][1]-x[0][1],x[3][2]-x[0][2]]"m"x:(x[1]*x[5]*x[6]+x[2]*x[3]*x[7]+x[0]*x[4]*x[8]-x[2]*x[4]*x[6]-x[0]*x[5]*x[7]-x[1]*x[3]*x[8])/6"m0&

stdin

36 55 85
93 01 76
02 51 46
95 63 24

stdout

stderr

Traceback (most recent call last):
  File "stuck.py", line 167, in <module>
    main()
  File "stuck.py", line 162, in main
    process(prog, stack=[], t=0, nest=0)
  File "stuck.py", line 55, in process
    stack = plugins[plugin].CMDS[char](stack)
  File "plugins/stuck_base.py", line 80, in map_
    return s + [map(eval('lambda '+la),l)]
  File "<string>", line 1, in <lambda>
TypeError: 'int' object has no attribute '__getitem__'

strace