verilog, 199 bytes

Result

WA

Duration

501ms

Code [DL]

module m;[0:11],v,w;initial begin
for(v=0;$fscanf(1<<31,"%d",X[v]);v+=1)X[v]-=v>2?X[v%3]:0;$write(((X[4]*X[8]-X[5]*X[7])*X[9]+(X[5]*X[6]-X[3]*X[8])*X[10]+(X[3]*X[7]-X[4]*X[6])*X[11])/6);end
endmodule

stdin

18 83 60
83 60 95
23 60 86
20 09 78

stdout

stderr

/volume/CODE:1: syntax error
/volume/CODE:1: error: invalid module item.
/bin/script: line 14: /tmp/code: not found
rm: can't remove '/tmp/code': No such file or directory

strace