 
 <translate> Each carriage has 3 rows of wheels * 5 wheels per row = 15 wheels. So each train has 4 carriages * 15 wheels per carriage = 60 wheels. There is therefore a total of 4 trains * 60 wheels per train = 240 wheels at the train station. The final answer: 240. <hau> Kowane karusa yana da layuka 3 na ƙafafun * ƙafafun 5 a jere = ƙafafun 15. Saboda haka kowane jirgin yana da motoci 4 * ƙafafun 15 a kowace motar = ƙafafun 60. Saboda haka akwai jimlar jiragen kasa 4 * ƙafafun 60 a kowace jirgin = ƙafafun 240 a tashar jirgin kasa. Amsar ƙarshe ita ce: 240. 