1 bag=5 6cats7 e7 [5 H6 P6 D& M
7 bags x 56 cats=392 cats , Q' ]; i) _4 Ktvb now,tvbnow,bttvb392 cats x 4 legs=1568 legs / @$ J0 g% z& E( ]2 X+ E' Z f公仔箱論壇7 persen=14 legs +1568 legs=1582 legs5.39.217.77:88989 Z2 X% o" J# K7 e" `
so there are 1582 legs in the bus