diff --git a/README.md b/README.md
index 0e455c5..448a65f 100644
--- a/README.md
+++ b/README.md
@@ -27,3 +27,4 @@
 97 - 61 = 36
 30 - 80 = -50
 33 * 25 = 825
+29 - 15 = 14