Der Hamster kann rechnen

Signed-off-by: Marco Hoppe <marco.hoppe2@gmx.de>
Signed-off-by: Marco Hoppe <marco.hoppe2@gmx.de>
Signed-off-by: Marco Hoppe <marco.hoppe2@gmx.de>
Merge branch 'master' of https://github.com/babyhoppi/grundlagen