The underwears

3 recruits - Chinese, Malay & Indian are at the army's supply base to collect their underwears. Their sergeant was there to aid the supplies.

Sergeant: Hei Ah Beng! How many underwears you need ah?
Ah Beng: (thinks awhile) 7 sasen(sergeant)!
Sergeant:(puzzled) How come so many?
Ah Beng: Mon, Tues, Wed, Thurs, Fri, Sat & Sun. One day one.

Sergeant: (Malay recruit) Eh Mat! How many underwears?
Mat: (without hesitation) 6 sargen!
Sergeant: (curious) How come six? Mat: Mon, Tues,Wed, Thurs, Sat & Sun.
Friday I wear sarong.

Sergeant: (Indian recruit)
Sergeant : Dei Tambi. How many underwears dah dei?
Tambhi: (very confidently) 12 Sarjen !!!!
Sergeant: (shocked & fell to the ground) What the hell you need so many for?
Tambhi:January, February, March...........One month one