[user02@FC4 Lesson04]$ cat -n mixmatch.c

   1  #include <stdio.h>
   2
   3  int main(void)
   4  {
   5     printf("At age %d my salary was %f\n", 20, 493.34);
   6
   7     return 0;
   8  }

[user02@FC4 Lesson04]$ gcc -o mixmatch mixmatch.c
[user02@FC4 Lesson04]$ ./mixmatch
At age 20 my salary was 493.340000