Update app.py

app.py

@@ -51,4 +51,29 @@ def create_interface():
             for i in range(10):
                 gr.Button(str(i)).click(lambda x=i: update_input(x), inputs=[], outputs=current)
             gr.Button("Back").click(backspace, inputs=[], outputs=current)
-            gr.Button("Clear").click(clear_input
+            gr.Button("Clear").click(clear_input, inputs=[], outputs=current)
+
+        with gr.Row():
+            gr.Button("Set A").click(lambda x: float(current_input), inputs=[], outputs=a)
+            gr.Button("Set B").click(lambda x: float(current_input), inputs=[], outputs=b)
+
+        with gr.Row():
+            gr.Button("Add").click(lambda a, b: gradio_calculate(a, b, "add"), inputs=[a, b], outputs=result)
+            gr.Button("Subtract").click(lambda a, b: gradio_calculate(a, b, "subtract"), inputs=[a, b], outputs=result)
+            gr.Button("Multiply").click(lambda a, b: gradio_calculate(a, b, "multiply"), inputs=[a, b], outputs=result)
+            gr.Button("Divide").click(lambda a, b: gradio_calculate(a, b, "divide"), inputs=[a, b], outputs=result)
+
+        with gr.Row():
+            gr.Button("Test FastAPI Add").click(lambda a, b: test_fastapi(a, b, "add"), inputs=[a, b], outputs=result)
+            gr.Button("Test FastAPI Subtract").click(lambda a, b: test_fastapi(a, b, "subtract"), inputs=[a, b], outputs=result)
+            gr.Button("Test FastAPI Multiply").click(lambda a, b: test_fastapi(a, b, "multiply"), inputs=[a, b], outputs=result)
+            gr.Button("Test FastAPI Divide").click(lambda a, b: test_fastapi(a, b, "divide"), inputs=[a, b], outputs=result)
+
+    return demo
+
+def run_gradio():
+    demo = create_interface()
+    demo.launch()
+
+if __name__ == "__main__":
+    run_gradio()