7.Distance converter

function solve() {
    const conversionMap = {
        km: 1000,
        m: 1,
        cm: 0.01,
        mm: 0.001,
        mi: 1609.34,
        yrd: 0.9144,
        ft: 0.3048,
        in: 0.0254,
    }

    let convertBtn = document.getElementById('convert');
    convertBtn.addEventListener('click', convertUnits);

    function convertUnits () {
        let inputUnit = document.getElementById('inputUnits').value;
        let inputValue = Number(document.getElementById('inputDistance').value);
        let outputUnit = document.getElementById('outputUnits').value;
        let outputField = document.getElementById('outputDistance');

        let inputValueInMeters = inputValue * Number(conversionMap[inputUnit]);
        let outputValue = inputValueInMeters / Number(conversionMap[outputUnit]);

        outputField.value = outputValue;
    }
}