1 bag=5 6cats- c! U" f+ I+ R# Q% I
7 bags x 56 cats=392 cats9 s& J* y: k* Z p- P$ q2 ?9 z
392 cats x 4 legs=1568 legs公仔箱論壇2 Y* C% d' R$ g# P5 S" J% T
7 persen=14 legs +1568 legs=1582 legstvb now,tvbnow,bttvb2 {+ \. s$ Q) a
so there are 1582 legs in the bus