Answer for this questions with a explanation ?

What are the values of sum1 and sum2 if the operands in the expressions are evaluated right to left? Answer without explanation will not get an point! int fun (int *k) {*k + = 2; return 3 * (*k);} void main(void){int a= 6, b = 12, sum 1, sum 2; sum 1 = (a/2) + fun(&a) sum2 = fun (&b) + (b/2);}