1 bag=5 6cats公仔箱論壇* F7 q# z @. J- h& t* P
7 bags x 56 cats=392 catstvb now,tvbnow,bttvb' w; g( \' f2 U- c; x$ \; H
392 cats x 4 legs=1568 legs4 ]1 ~# s4 @# c3 L2 x
7 persen=14 legs +1568 legs=1582 legs. d, |# ^7 W. L) N3 |) q6 N
so there are 1582 legs in the bus |