JSFiddle - React, Tailwind, and code Playground

HTML

<form id="locations" method='post' action=''>Loop 1
    <br>
    <input type="text" value="75" name="" class="addme1">
    <input type="text" value="150" name="" class="addmea1">
    <br>
    <input type="text" value="75" name="" class="addme1">
    <input type="text" value="150" name="" class="addmea1">
    <br>
    <input type="text" value="75" name="" class="addme1">
    <input type="text" value="150" name="" class="addmea1">
    <br>
    <input type="text" value="75" name="" class="addme1">
    <input type="text" value="150" name="" class="addmea1">
    <br>
    <input type="text" value="300" name="" id="incoming1">
    <input type="text" value="600" name="" id="outgoing1">
    <br>Loop 2
    <br>
    <input type="text" value="75" name="" class="addme2">
    <input type="text" value="150" name="" class="addmea2">
    <br>
    <input type="text" value="75" name="" class="addme2">
    <input type="text" value="150" name="" class="addmea2">
    <br>
    <input type="text" value="75" name="" class="addme2">
    <input type="text" value="150" name="" class="addmea2">
    <br>
    <input type="text" value="75" name="" class="addme2">
    <input type="text" value="150" name="" class="addmea2">
    <br>
    <input type="text" value="300" name="" id="incoming2">
    <input type="text" value="600" name="" id="outgoing2">
    <br>
    <br>
    <br>Total :
    <input type="text" value="600" name="" id="totalin">
    <input type="text" value="1200" name="" id="profit">Profit :
    <input type="text" value="600" name="" id="totalout">
</form>

JavaScript

var $form = $('#locations'),
    $summands1 = $form.find('.addme1'),
    $sumDisplay1 = $('#incoming1');

$form.delegate('.addme1', 'change', function () {
    var sum = 0;
    $summands1.each(function () {
        var value = Number($(this).val());
        if (!isNaN(value)) sum += value;
    });

    $sumDisplay1.val(sum);

    $summandsa1 = $form.find('.addmea1'),
    $sumDisplaya1 = $('#outgoing1');
});
$form.delegate('.addmea1', 'change', function () {
    var sum = 0;
    $summandsa1.each(function () {
        var value = Number($(this).val());
        if (!isNaN(value)) sum += value;
    });

    $sumDisplaya1.val(sum);
});