diff --git a/README.md b/README.md
index 89e2919..550d421 100644
--- a/README.md
+++ b/README.md
@@ -41,3 +41,4 @@
 89 + 61 = 150
 13 - 20 = -7
 8 / 4 = 2
+37 - 75 = -38