{
  "question_id": 1293,
  "hints": [
    {"hint_level": 1, "hint": "The answer (6) is larger than both numbers (3 and 3). Which operation makes numbers bigger?"},
    {"hint_level": 2, "hint": "Addition and multiplication both make numbers bigger. Try 3 + 3 first."},
    {"hint_level": 3, "hint": "3 + 3 = 6, so the missing operator is + (plus)."}
  ]
}