1 bag=5 6cats7 y/ W+ I B- R+ u
7 bags x 56 cats=392 cats
, U% @8 B: O. ?3 a公仔箱論壇392 cats x 4 legs=1568 legs5.39.217.779 A0 z* Z) e; r6 R: @, J" E0 w
7 persen=14 legs +1568 legs=1582 legs5.39.217.77# a! M8 x3 L7 A, [6 ^1 {9 f
so there are 1582 legs in the bus |