var gasPrice = parseFloat(document.getElementById(‘gasPrice’).value) || 0;\nvar distance = parseFloat(document.getElementById(‘distance’).value) || 0;\nvar efficiency = parseFloat(document.getElementById(‘efficiency’).value) || 0;\n\nvar totalCost = (distance / efficiency) * gasPrice;\nvar costPerMile = gasPrice / efficiency;\n\ndocument.getElementById(‘totalCostResult’).innerHTML = totalCost.toFixed(2);\ndocument.getElementById(‘costPerMileResult’).innerHTML = costPerMile.toFixed(2);\ndocument.getElementById(‘totalCostPer100MilesResult’).innerHTML = (totalCost / distance * 100).toFixed(2);\nvar gasPrice =…