Not getting complete list

Total cost : {{cost*quantity}}

Name : {{student.Sname}}

Roll No: {{student.RollNo}}

List of Countries

1. 
   {{'Country:' + country.name + ' , language:' + country.Language}}
   

Total cost : 20

Name : Kiran

Roll No: 101

List of Countries

1. Country:america , language:
2. Country:India , language:Telugu
3. Country:saudi , language: