1 bag=5 6cats公仔箱論壇6 b# }( S) |" S9 n& N0 u9 E' P, L
7 bags x 56 cats=392 cats 0 G* Q' s7 `) |! E# v1 X392 cats x 4 legs=1568 legs5.39.217.77:8898% L, f: l3 P* t& V
7 persen=14 legs +1568 legs=1582 legs/ U k; e* [. \: n/ e
so there are 1582 legs in the bus