public int CalculateSoundVolume(string roomName, int currentUser)
{

        {

            //Business Logic

            return finalApplauseVolume;  //**say returning 75**

        }
        catch (Exception ex)
        {
            _logger.LogException(ex);
            throw;
        }
 }

public IHttpActionResult CalculateSoundVolume()
    {
        try
        {
            //Some Logic
             var result = _applauseRepository.CalculateSoundVolume(huddleName, currentUser);
            return Ok(result); // **it returns 75 here in result**
        }
        catch (Exception ex)
        {
            _logger.LogException(ex);
            throw;
        }
    }

public calculateSoundVolume()
 {
    var promise = this.applauseService.calculateSoundVolume();
    promise.then((res) => {
        this.$log.debug("Sound Volume : ", res);
        // Getting Resource [0] : '7' and [1] : '5'
    });
 }

calculateSoundVolume()
   {
    return this.soundVolume.get().$promise;
    }

public JContainer CalculateSoundVolume()
{
    try
    {
        //Some Logic
         var result = new JObject(new JProperty("soundVolume", _applauseRepository.CalculateSoundVolume(huddleName, currentUser)));
        return result;
    }
    catch (Exception ex)
    {
        _logger.LogException(ex);
        throw;
    }
}

public calculateSoundVolume()
{
     var promise = this.applauseService.calculateSoundVolume();
     promise.then((res) => {
         this.$log.debug("Sound Volume : ", res.soundVolume);
});