View Compilation Error

0_0_1900960_30221.cpp: In function `int main()':
0_0_1900960_30221.cpp:5: error: expected primary-expression before "double"
0_0_1900960_30221.cpp:5: error: expected `)' before "double"
0_0_1900960_30221.cpp:5: error: expected primary-expression before "double"
0_0_1900960_30221.cpp:5: error: expected `;' before "double"