diff --git a/README.md b/README.md
index 1fa699e..ae10eb9 100644
--- a/README.md
+++ b/README.md
@@ -18,3 +18,4 @@
 52 / 8 = 6
 14 * 2 = 28
 69 * 20 = 1380
+35 - 64 = -29