question: In rectangle ABDF above, point C lies on side BD,point E lies on side DF, C and E are midpoints of sides BD and DF, respectively. What fraction of the area of the rectangle is shaded?
query_wo: Please directly answer the question and provide the final value, e.g., 1, 2.5, 300.
  Question: In rectangle ABDF above, point C lies on side BD,point E lies on side DF, C and E are midpoints of sides BD and DF, respectively. What fraction of the area of the rectangle is shaded?
query_cot: Please first conduct reasoning, and then answer the question and provide the final value, e.g., 1, 2.5, 300, at the end.
  Question: In rectangle ABDF above, point C lies on side BD,point E lies on side DF, C and E are midpoints of sides BD and DF, respectively. What fraction of the area of the rectangle is shaded?
question_for_eval: In rectangle ABDF above, point C lies on side BD,point E lies on side DF, C and E are midpoints of sides BD and DF, respectively. What fraction of the area of the rectangle is shaded?