function Divide(){
 number1 = parseInt(document.getElementById('number1').options[document.getElementById('number1').selectedIndex].value);
 number2 = parseInt(document.getElementById('number2').options[document.getElementById('number2').selectedIndex].value);
 output = number1 / number2;
 output = output.toFixed(2);
 document.getElementById('playingWithMaths').innerHTML = 'Result: ' + output;
}