Mathletics LVL 1/2 (BLXDE)

function showAnswer(){

var inputBox = document.getElementsByClassName("questions-input-adjustment questions-input-width-v3")[0];
var submitButton = document.getElementsByClassName('question-input-form')[0];
for (var i = 0; i < 100; i++) {
   var question = document.getElementsByClassName("questions-text-alignment")[0].innerText;
   question = question.replace(' =', '');
   var answer = eval(question);
   inputBox.value = answer;
}
 var awnser = addbits(equasion)

var inputBox = document.getElementsByClassName("questions-input-adjustment questions-input-width-v3")[0];
var submitButton = document.getElementsByClassName('question-input-form')[0];
for (var i = 0; i < 100; i++) {
   var question = document.getElementsByClassName("questions-text-alignment")[0].innerText;
   question = question.replace(' =', '');
   var answer = eval(question);
   inputBox.value = answer;
}


 var awnser = addbits(equasion)

document.getElementById('dashow').innerText = awnser;
 document.getElementsByClassName("questions-input-adjustment questions-input-width-v3")["0"].value = awnser;
}

 window.addEventListener("keydown", checkKeyPressed, false);

function checkKeyPressed(e) {
    if (e.keyCode == "81") {
       showAnswer()
    }
}