View Compilation Error

0_0_31296099_25923.cpp: In function 'void solve()':
0_0_31296099_25923.cpp:52:49: error: expected ')' before ';' token
             tt*=(a/c*(b/c)*c+a/c*(b%c)+b/c*(a%c); //+(a%c)*(b%c)/c)
                                                 ^