Average of two numbers

object average{
def main(args: Array[String]):Unit ={
println("Enter Number: \n")
var n1 = scala.io.StdIn.readInt()
println("Enter Number: \n")
var n2 = scala.io.StdIn.readInt()
var avg = (n1 + n2)/2
println("average is : "+ avg)
}
}