#include #include #define VALUE_1 1 #define VALUE_2 2 #define VALUE_3 VALUE_1 + VALUE_2 #define VALUE_4 (VALUE_1 + VALUE_2) int main() { // 1 + 2 * 4 printf("%d\n", VALUE_3 * 4 ); // (1 + 2) * 4 printf("%d\n", VALUE_4 * 4 ); return 0; } /* output: 9 12 */