Update app.py

app.py

@@ -5,7 +5,7 @@ with gr.Blocks() as myApp:
         with gr.Column(scale=1):
             a = gr.Textbox(label='ตัวเลข A:')
             b = gr.Textbox(label='ตัวเลข B:')
-            btn = gr.Button(label='คำนวณ')
+            btn = gr.Button(value='คำนวณ')
         with gr.Column(scale=1):
             out = gr.Textbox(label='ผลลัพธ์')