diff --git a/README.md b/README.md
index 218b760..873625c 100644
--- a/README.md
+++ b/README.md
@@ -41,3 +41,4 @@
 45 * 91 = 4095
 15 - 59 = -44
 15 * 52 = 780
+72 * 10 = 720