0_0_15172656_24621.cpp: In function 'int main()': 0_0_15172656_24621.cpp:2:12: error: expected ';' before numeric constant #define PI 3.141592 ^ 0_0_15172656_24621.cpp:7:8: note: in expansion of macro 'PI' v=(4/3)PI*r*r*r; ^