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I have the following form below:
How would I multiply the values according to the quantities and the total value automatically appears in the Total Value field? Below is the HTML code:
<form class="" action="#!" method="post">
  <div class="form-group">
    <label>Quantidade de adultos:</label>
    <input type="number" class="form-control" name="QtdAdultos" value="">
  </div>
  <div class="form-group">
      <label>Valor por adulto:</label>
      <input type="text" name="ValorAdulto" class="form-control" id="valorAdulto" maxlength="12" required>
  </div>
  <div class="form-group">
    <label>Quantidade de crianças até 6 anos:</label>
    <input type="number" class="form-control" name="QtdCriancas6Anos" value="">
  </div>
  <div class="form-group">
      <label>Valor por criança até 6 anos:</label>
      <input type="text" name="ValorCrianca6Anos" class="form-control" id="valorCrianca6a12" maxlength="12">
  </div>
  <div class="form-group">
    <label>Quantidade de crianças entre 6 e 12 anos:</label>
    <input type="number" class="form-control" name="QtdCriancas6a12Anos" value="">
  </div>
  <div class="form-group">
      <label>Valor criança até 6 a 12 anos:</label>
      <input type="text" name="ValorCrianca6a12" class="form-control" id="valorCrianca6a12" maxlength="12">
  </div>
  <div class="form-group">
    <label>Quantidade de adolescentes:</label>
    <input type="number" class="form-control" name="QtdAdolescentes" value="">
  </div>
  <div class="form-group">
      <label>Valor ppor adolescente:</label>
      <input type="text" name="ValorAdolescente" class="form-control" id="valorAdolescente" maxlength="12">
  </div>
  <div class="form-group">
    <label>Valor Total:</label>
    <input type="text" id="valorTotal" class="form-control" name="ValorTotal" value="">
  </div>
  <div class="form-group">
      <label>Observações:</label>
      <textarea name="Observacoes" class="form-control" style="height: 230px"></textarea>
  </div>
  <div class="form-group text-center">
    <button type="submit" name="Submit" value="Avancar" class="btn btn-success">Cadastrar e enviar link por e-mail</button>
  </div>
</form>

Could put the html code?
– Felipe Avelar
You’re right Felipe. I forgot to put the code. I changed my post. The value fields have mask.
– user24136