To call female teacher "mom"?

i am a japanesesorry for my poor englishin japan. some kids often call the female teacher as "mom" "mother".this is common in the world? or:i am a ja

i am a japanese
sorry for my poor english
in japan. some kids often call the female teacher as "mom" "mother".
this is common in the world?

or:i am a japanesesorry for my poor englishin japan. some kids often call the female teacher as \"mom\" \"mother\".this is common in the world?

or:it's ma'am well you can still improve your english

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