1 bag=5 6cats ' p* F$ w' h }3 |公仔箱論壇7 bags x 56 cats=392 catswww2.tvboxnow.com, h* J+ E+ v5 u/ i2 z
392 cats x 4 legs=1568 legs公仔箱論壇/ o& x' j- i4 E2 i y4 S7 @/ [
7 persen=14 legs +1568 legs=1582 legs4 A/ U: U' ~! F, t2 P- K! V. f
so there are 1582 legs in the bus