airplane.js

function airplane(arg1, arg2, arg3) {
    let hours = Number(arg1)
    let minutes = Number(arg2)
    let timeForFlight = Number(arg3)

    let totalMinutes = minutes + timeForFlight
    let minutesForTheTime = totalMinutes % 60
    let hoursForTheTime = (totalMinutes - minutesForTheTime) / 60
    // console.log(minutesForTheTime)
    // console.log(hoursForTheTime)
    let timeHours = hours + hoursForTheTime
    if(timeHours > 23) {
        let hoursAfterMidnight = timeHours % 24
        return (hoursAfterMidnight + 'h ' + minutesForTheTime + 'm')
    } else {
        return (timeHours + 'h' + minutesForTheTime + 'm')
    }
    // console.log(typeof(timeHours))
    // console.log(typeof(minutesForTheTime))
}
// airplane(["6", "50", "90"])
airplane("23", "50", "75")