View Compilation Error

0_0_23113935_19750.cpp: In function 'int main()':
0_0_23113935_19750.cpp:8:22: error: expected primary-expression before '%' token
       printf("%lf\n",%lf);
                      ^
0_0_23113935_19750.cpp:8:23: error: 'lf' was not declared in this scope
       printf("%lf\n",%lf);
                       ^