{
  "id": "multiply-2-3",
  "title": "Умножение на 2 и 3",
  "description": "Worksheet for practicing multiplication by 2 and 3",
  "template": "{a} × {b} = ___",
  "variables": {
    "a": { "type": "range", "min": 1, "max": 10 },
    "b": { "type": "set", "values": [2, 3] }
  },
  "problemCount": 20,
  "layout": {
    "columns": 2,
    "problemsPerPage": 20
  },
  "labels": {
    "title": "Умножение",
    "subtitle": "Реши примеры",
    "name": "Имя: _______________",
    "date": "Дата: _______________"
  },
  "theme": {
    "background": null,
    "icons": null,
    "iconReward": 5
  }
}