{"success":true,"calculator":"drywall","description":"Calculate drywall sheets, joint compound, tape, and screws for a room.","endpoint":"/api/calculate/drywall","method":"GET or POST","parameters":{"length_ft":"Room length in feet (required)","width_ft":"Room width in feet (required)","height_ft":"Ceiling height in feet (default: 8)","include_ceiling":"true/false — include ceiling area (default: false)","sheet_size":"4x8 or 4x12 (default: 4x8)","doors":"Number of doors (default: 0)","windows":"Number of windows (default: 0)"},"example_url":"/api/calculate/drywall?length_ft=12&width_ft=12&height_ft=8&doors=1&windows=2"}