Type in expressions to have them evaluated.
Type :help for more information.

scala> 
scala> x: Array[Int] = Array(1, 2, 3, 4, 5, 6, 7)

scala> y: scala.collection.mutable.WrappedArray[Int] = WrappedArray(2, 4, 6, 8, 10, 12, 14)

scala> 56

scala> 
scala>