1 bag=5 6cats9 j. F2 p2 Y( w7 Q" G. i# `# F
7 bags x 56 cats=392 cats / ?- I- O* T; ]1 k: f5.39.217.77392 cats x 4 legs=1568 legs公仔箱論壇% T# n. I& t5 O' M7 t; L' }
7 persen=14 legs +1568 legs=1582 legs6 H/ C$ O9 F. J! L2 S6 U7 m
so there are 1582 legs in the bus