#include<iostream> using namespace std; #define PRICE 30
![](https://images2017.cnblogs.com/blog/1232369/201709/1232369-20170913125601782-709848449.png)
int main() { int num,total; num=10; total=num*PRICE; cout<<"total="<<total<<endl; return 0; }
#include<iostream> using namespace std; #define PRICE 30
int main() { int num,total; num=10; total=num*PRICE; cout<<"total="<<total<<endl; return 0; }