diff --git a/app.py b/app.py
new file mode 100644
index 0000000..b545673
--- /dev/null
+++ b/app.py
@@ -0,0 +1,7 @@
+from flask import Flask
+app = Flask(__name__)
+
+@app.route('/')
+def calculate-hard():
+    result = 3 * 4 + 12
+    return str(result)
\ No newline at end of file