{"invocation_id": "63bffb36-1200-47a2-b538-70333290dde3", "tool_id": "birkanyavuz:perimeter-and-area:v1", "record_digest": "[birkanyavuz:perimeter-and-area:v1] Perimeter and Area (Grade 3 Math) | Creator: Birkan Yavuz | Endpoint: https://educational-tools.vercel.app/api/tools?id=perimeter-and-area", "id": "perimeter-and-area", "name": "Perimeter and Area", "gradeLevel": "Grade 3", "subject": "math", "objective": "Find the perimeter and area of rectangles", "creator": "Birkan Yavuz", "standard_codes": ["CCSS.Math.Content.3.MD.D.8", "CCSS.Math.Content.3.MD.C.7", "3.MD.D.8", "3.MD.C.7"]}