View Compilation Error

0_0_32010043_5611.cpp: In function 'int main()':
0_0_32010043_5611.cpp:11:11: error: 'doub0le' was not declared in this scope
   sum = ((doub0le)n*(n+1)*(n+2))/6.0;
           ^
0_0_32010043_5611.cpp:11:19: error: expected ')' before 'n'
   sum = ((doub0le)n*(n+1)*(n+2))/6.0;
                   ^