# Learn Form Validation by Building a Calorie Counter - Step 77

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### Challenge Information:

Learn Form Validation by Building a Calorie Counter - Step 77

``````function calculateCalories(e) {
e.preventDefault();
isError = false;

const breakfastNumberInputs = document.querySelectorAll('#breakfast input[type=number]');
const lunchNumberInputs = document.querySelectorAll('#lunch input[type=number]');
const dinnerNumberInputs = document.querySelectorAll('#dinner input[type=number]');
const snacksNumberInputs = document.querySelectorAll('#snacks input[type=number]');
const exerciseNumberInputs = document.querySelectorAll('#exercise input[type=number]');

const breakfastCalories = getCaloriesFromInputs(breakfastNumberInputs);
const lunchCalories = getCaloriesFromInputs(lunchNumberInputs);
const dinnerCalories = getCaloriesFromInputs(dinnerNumberInputs);
const snacksCalories = getCaloriesFromInputs(snacksNumberInputs);
const exerciseCalories = getCaloriesFromInputs(exerciseNumberInputs);
const budgetCalories = getCaloriesFromInputs([budgetNumberInput]);

if (isError) {
return;
}

const consumedCalories = breakfastCalories + lunchCalories + dinnerCalories + snacksCalories;
const remainingCalories = budgetCalories - consumedCalories + exerciseCalories;
let surplusOrDeficit = surplusOrDeficit
}
``````

Having reached step 77, I only understood how to create functions and variables, everything else is not clear, instructions have to be sent to artificial intelligence to get answers, otherwise I would never understand them, at this stage I decided to try to figure it out, now the same problem is not clear Does anyone know what to do and how to write the code correctly?

const surplusOrDeficit = remainingCalories >= 0 ? “Surplus” : “Deficit”;
this does not work

Smart quotes are a problem in Javascript - you should use either `''` or `""` not `“”`

Hi @masha2

The instructions are asking if the remainingCalories variable is less than 0.
Your code is currently checking if it is greater than or equal to 0.

Happy coding