View Compilation Error

0_0_39386791_2908.cpp: In function 'long long int Qmul(long long int, long long int, long long int)':
0_0_39386791_2908.cpp:22:20: error: expected primary-expression before 'long'
   22 |     int res = (x*y-long long((long double)x/mod*y)*mod)%mod;
      |                    ^~~~
0_0_39386791_2908.cpp:22:20: error: expected ')' before 'long'
   22 |     int res = (x*y-long long((long double)x/mod*y)*mod)%mod;
      |               ~    ^~~~
      |                    )