E=mc^2(square)^^

A class.... there is a fatty n lazy student (not me la,even i noe i fat :p).. , when teacher is teaching, but he is dreaming. Today , teacher teaching a new formulae , E=mc^2(E is equal to mc squre)....... but the fatty n lazy student dreaming again, n the teacher is 忍无可忍！finally call the fatty n lazy student name...........


Teacher : "XXX can u tell me wat is mc^2?????"
Fatty n lazy student :"erm..............................."
Teacher : " Can u pls tell me wat is mc^2????"
Fatty n lazy student : " yaya... Teacher .... i noe.... mc squre is.... "mong cha cha"
(in cantonese)!!!"
Teacher : =.=

p/s: mong cha cha is a word from cantonese, meaning is 傻傻的，不清楚的......

-story by MR.TTT-