verilog, 226 bytes

Result

WA

Duration

505ms

Code [DL]

module z;time a,b,c,d,e,f,g,h,i,j,k,l;initial begin z=$fscanf(1<<31,"%d%d%d%d%d%d%d%d%d%d%d%d",a,b,c,d,e,f,g,h,i,j,k,l);d-=a;e-=b;f-=c;g-=a;h-=b;i-=c;j-=a;k-=b;l-=c;$write((g*k*f+j*e*i+d*h*l-j*h*f-d*k*i-g*e*l)/6);end endmodule

stdin

13 80 63
13 15 07
73 75 59
79 32 56

stdout

stderr

/volume/CODE:1: error: Could not find variable ``z'' in ``z''
1 error(s) during elaboration.
/bin/script: line 14: /tmp/code: not found
rm: can't remove '/tmp/code': No such file or directory

strace