diff --git a/README.md b/README.md
index ecef7ec..e15a99d 100644
--- a/README.md
+++ b/README.md
@@ -41,3 +41,4 @@
 68 / 4 = 17
 81 + 69 = 150
 39 + 1 = 40
+31 / 2 = 15