так что ли?
<!DOCTYPE html>
<html lang="ru">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
</head>
<body>
<input type="text" onkeyup="hourMinSec(this.value)">
<div id="otpt">Мин: 0<br>Сек: 0</div>
<script>
function hourMinSec(value){
document.getElementById("otpt").innerHTML = "Мин: " + (value*60) +"<br/>Сек: " + (value*3600);
}
</script>
</body>
</html>