OXKING101

all of u is not smart   
; ?- x: X/ x7 E1 b% [- b/ W: qfirst 100 is no connect with mr. wong  100 is exchanged with young man and nabor.0 U% Y9 |6 `" k" `
second mr. wong sold the gift included the money he made 21.tvb now,tvbnow,bttvb! ]* S8 `7 R: ~  Z- r
third mr. wong paid back the money for nabor 100.
# ^. I, F( a/ `6 Mtotal he lost 121. 簡單.
1 V( f4 |% J. X) Z公仔箱論壇answer is 121 final. ;))

OXKING101

  121 is not final yet b-( tvb now,tvbnow,bttvb" n9 N, K' f5 j% g6 u9 t) [
because first 100 mr. wong already made 21 dollars.tvb now,tvbnow,bttvb3 w. p1 q5 x, o
he doesn't lost anything form the first 100 also he made 3公仔箱論壇" P9 {3 i0 N  c2 g9 Q9 ^" N
and then he paid back 100 to nabor that mean 100 - 3 = 975.39.217.77:8898! Q1 z2 @/ B  e4 G: _* n: U6 ^
this is very final answer 97 :-O