diff --git a/README.md b/README.md
index 3d1cbbe..887eed5 100644
--- a/README.md
+++ b/README.md
@@ -41,3 +41,4 @@
 25 + 25 = 50
 86 + 61 = 147
 88 + 70 = 158
+71 - 32 = 39