scala> scala> 999l

// Detected repl transcript. Paste more, or ctrl-D to finish.

res4: Int = 0123

scala> 123
res5: Int = 123

scala> 567
res6: Int = 567

scala> res5 + res6
res7: Int = 690

scala> val x = dingus
<console>:7: error: not found: value dingus
       val x = dingus
               ^

scala> val x = "dingus"
x: java.lang.String = dingus

scala> x.length
res9: Int = 6

scala> x.length + res5
res10: Int = 12
// Replaying 8 commands from transcript.

scala> 999l
res0: Long = 999

scala> val res5 = { 123 }
res5: Int = 123

scala> val res6 = { 567 }
res6: Int = 567

scala> res5 + res6
res1: Int = 690

scala> val x = dingus
<console>:11: error: not found: value dingus
       val x = dingus
               ^

scala> val x = "dingus"
x: String = dingus

scala> x.length
res2: Int = 6

scala> x.length + res5
res3: Int = 129


scala> :quit