View Compilation Error

0_0_21357792_14332.cpp: In function 'int main()':
0_0_21357792_14332.cpp:28:34: error: no match for 'operator/' (operand types are 'Vector' and 'int')
    sum+=(v[i]-v[0])^(v[i+1]-v[0])/2;
                                  ^