added variable result. And correct comments for 5 and 6 cases.
added variable result. And correct comments for 5 and 6 cases.
Merge branch 'master' of https://github.com/eltex-stud/simple_calc
Merge branch 'master' of https://github.com/eltex-stud/simple_calc
added print of result
Merge branch 'master' of https://github.com/eltex-stud/simple_calc