{
  "question_id": 1223,
  "hints": [
    {"hint_level": 1, "hint": "There are 12 wheels in total. Each tricycle has 3 wheels."},
    {"hint_level": 2, "hint": "Divide the total wheels by the wheels per tricycle."},
    {"hint_level": 3, "hint": "12 divided by 3 = ?"}
  ]
}