java, 266 bytes

Result

AC

Duration

4542ms

Code [DL]

import java.util.*;interface A{static void main(String[]a){Scanner s=new Scanner(System.in);int i=0,X[]=new int[12];for(;i<12;)X[i]=s.nextInt()-X[i++%3];System.out.printf("%d",((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);}}

stdin

86 11 14
58 14 28
11 32 77
02 56 38

stdout

5373

stderr

strace