1 bag=5 6cats
: {) l [; t4 [, \. [; R7 bags x 56 cats=392 cats& D2 d% U$ [! x# k+ u' S- V* _
392 cats x 4 legs=1568 legs5.39.217.77% {; `9 F9 k* g" p2 Z; a
7 persen=14 legs +1568 legs=1582 legs公仔箱論壇% L, l2 E' \6 X& C
so there are 1582 legs in the bus |