diff --git a/README.md b/README.md
index f6b8301..e903111 100644
--- a/README.md
+++ b/README.md
@@ -41,3 +41,4 @@
 54 + 100 = 154
 29 / 5 = 5
 37 + 70 = 107
+21 / 3 = 7