 
<translate> Da farko sami jimlar inci na nailan da aka yi amfani da shi don wuyan kare: inci 18 / wuyan kare * wuyan kare 9 = inci 162. Sa'an nan kuma sami jimlar adadin inci na nailan da aka yi amfani da shi don kullun cat: 10 inci / kullun cat * 3 kullun cat = 30 inci. Sa'an nan kuma ƙara nailan da ake buƙata don abin wuya na cat da kare don samun jimlar adadin da ake buƙata: 162 inci + 30 inci = 192 inci. <eng> First find the total number of inches of nylon used for the dog collars: 18 inches / dog collar * 9 dog collars = 162 inches. Then find the total number of inches of nylon used for the cat collars: 10 inches / cat collar * 3 cat collars = 30 inches. Then add the nylon needed for the cat and dog collars to find the total amount needed: 162 inches + 30 inches = 192 inches. 