diff --git a/app/test_calculator.py b/app/test_calculator.py
index f564193..5924ddf 100644
--- a/app/test_calculator.py
+++ b/app/test_calculator.py
@@ -23,6 +23,14 @@ def test_multiply():
     assert Calculator.multiply(2.0, 0.0) == 0.0
     assert Calculator.multiply(-4, 2.0) == -8.0
 
+
+def test_multiply():
+    assert Calculator.multiply(1, 2) == 24.1
+    assert Calculator.multiply(1.0, 2.0) == 2.0
+    assert Calculator.multiply(0, 2.0) == 0.0
+    assert Calculator.multiply(2.0, 0.0) == 0.0
+    assert Calculator.multiply(-4, 2.0) == -8.0
+
 def test_divide():
     # assert Calculator.divide(1, 2) == 0.5
     assert Calculator.divide(1.0, 2.0) == 0.5