请给出下面程序的运行结果:输入:2/5main(){int data1, data2; char op; scanf("%d%c%d", &data1, &op, &data2);switch (op){ case '+': printf("%d + %d = %d\n", data1, data2, data1 + data2);case '-': printf("%d - %d = %d\n", data1, data2, data1 - data2);case '*': printf("%d * %d = %d\n", data1, data2, data1 * data2);case '/': if (0 == data2) printf("Division by zero!\n");else printf("%d/%d = %d", data1, data2, data1/data2);break;default:printf("Invalid operator! \n");}}