(arithmetic) arithmetic operation

(arithmetic) arithmetic operator

triumphant, proud / skilled

strong point / triumph / regular customer

arithmetic

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

to calculate

(mathematics) A procedure for generating a value from one or more other values; operation.