{"success":true,"calculator":"paint","description":"Calculate gallons of paint needed for room walls.","endpoint":"/api/calculate/paint","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)","doors":"Number of doors (default: 0)","windows":"Number of windows (default: 0)","coats":"Number of coats (default: 2)"},"example_url":"/api/calculate/paint?length_ft=12&width_ft=12&height_ft=8&doors=1&windows=2&coats=2"}