View Compilation Error

0_0_5470682_3755.cpp: In function `int main()':
0_0_5470682_3755.cpp:20: error: invalid operands of types `std::ios_base&()(std::ios_base&)' and `double' to binary `operator/'
0_0_5470682_3755.cpp:21: error: invalid operands of types `std::ios_base&()(std::ios_base&)' and `double' to binary `operator-'
0_0_5470682_3755.cpp:22: error: invalid operands of types `std::ios_base&()(std::ios_base&)' and `double' to binary `operator/'
0_0_5470682_3755.cpp:28: error: `r2' undeclared (first use this function)
0_0_5470682_3755.cpp:28: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_5470682_3755.cpp:29: error: assignment of function `std::ios_base& std::right(std::ios_base&)'
0_0_5470682_3755.cpp:29: error: cannot convert `double' to `std::ios_base&()(std::ios_base&)' in assignment