diff --git a/beautiful-racket-demo/stacker-demo/stacker-test-3.rkt b/beautiful-racket-demo/stacker-demo/stacker-test-3.rkt
new file mode 100644
index 0000000..bee62f2
--- /dev/null
+++ b/beautiful-racket-demo/stacker-demo/stacker-test-3.rkt
@@ -0,0 +1,8 @@
+#lang reader "stacker-extended.rkt"
+3
+4
+/
+1
+4
+/
++