{"name":"asphalt","title":"Asphalt Calculator","category":"trades","description":"Tons of asphalt, loose cubic yards, truckloads and sub-base from driveway/lot dimensions.","price_usd":0.001,"input_schema":{"type":"object","properties":{"length":{"type":"number","description":"Length in feet"},"width":{"type":"number","description":"Width in feet"},"depth_in":{"type":"number","description":"Asphalt depth in inches"},"sub_base_depth_in":{"type":"number","description":"Gravel sub-base depth in inches"},"density_lb_per_cf":{"type":"number","description":"Asphalt density in lb/ft3 (default ~145)"},"price_per_ton":{"type":"number","description":"Asphalt price per ton in USD"}},"additionalProperties":false,"required":["length","width","depth_in"]}}