foo.cc: In function 'int main()':
foo.cc:8:2: error: 'result' was not declared in this scope
  result=a*0.2+6*0.2+c*0.6;
  ^~~~~~
foo.cc:8:2: note: suggested alternative: 'resulr'
  result=a*0.2+6*0.2+c*0.6;
  ^~~~~~
  resulr
foo.cc:6:8: warning: unused variable 'resulr' [-Wunused-variable]
  float resulr;
        ^~~~~~

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