question: Sand has an angle of friction of about 40°. This means once it gets over this it slides down the side of the sand pile. Mae is getting a delivery of sand to her home, but the area where the sand will be delivered is only 10.6 metres wide. If h metres is the maximum height of the sandpile, find h to one decimal place.
query_wo: Please directly answer the question and provide the final value, e.g., 1, 2.5, 300.
  Question: Sand has an angle of friction of about 40°. This means once it gets over this it slides down the side of the sand pile. Mae is getting a delivery of sand to her home, but the area where the sand will be delivered is only 10.6 metres wide. If h metres is the maximum height of the sandpile, find h to one decimal place.
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: Sand has an angle of friction of about 40°. This means once it gets over this it slides down the side of the sand pile. Mae is getting a delivery of sand to her home, but the area where the sand will be delivered is only 10.6 metres wide. If h metres is the maximum height of the sandpile, find h to one decimal place.
question_for_eval: Sand has an angle of friction of about 40°. This means once it gets over this it slides down the side of the sand pile. Mae is getting a delivery of sand to her home, but the area where the sand will be delivered is only 10.6 metres wide. If h metres is the maximum height of the sandpile, find h to one decimal place.