{
  "$schema": "./question-pack-v2.schema.json",
  "format": "math-drill-question-pack",
  "schemaVersion": 2,
  "kind": "generated_template",
  "id": "example-generated-retail",
  "packVersion": "1.0",
  "title": "Example Generated Retail Practice",
  "description": "An original template that generates several revenue questions locally.",
  "publisher": "Example Learning Lab",
  "license": "CC BY 4.0",
  "templates": [
    {
      "id": "retail_revenue_generated_001",
      "category": "business_math",
      "tags": ["revenue", "multiplication"],
      "difficulty": ["beginner", "intermediate"],
      "promptTemplate": "A pop-up shop sells {units} items at ${price} each. What is total revenue?",
      "variables": {
        "units": {
          "type": "integer",
          "min": 100,
          "max": 300,
          "step": 50,
          "unit": "units"
        },
        "price": {
          "type": "currency",
          "values": [8, 12, 15],
          "unit": "currency"
        }
      },
      "formula": {
        "expression": "units * price",
        "outputVariable": "revenue"
      },
      "answerUnit": "currency",
      "explanationTemplate": {
        "steps": [
          "Revenue equals items sold times price per item.",
          "{units} x ${price} = ${revenue}.",
          "Total revenue is ${answer}."
        ],
        "shortcut": "Multiply the non-zero digits first, then restore any place-value zeros."
      }
    }
  ]
}