stuck, 324 bytes

Result

WA

Duration

518ms

Code [DL]

ssss["x:x.replace(' ',',')"m["x:[map(int,y.split(',')) for y in x]"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

89 06 58
33 80 61
76 58 42
32 06 49

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 4
    x[3][0]-x[0][0],x[3][1]-x[0][1],x[3][2]-x[0][2]]
                                                   ^
SyntaxError: invalid syntax

strace