Use string as years

app.py

@@ -148,7 +148,7 @@ def process_func(x: np.ndarray, sampling_rate: int) -> dict:
         results.append(y[0])
 
     return (
-        100 * results[0][0],  # age
+        f"{round(100 * results[0][0])} years",  # age
         {
             "female": results[0][1],
             "male": results[0][2],