Replace old form with new form on the same module position

Hi forum,
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I have a module on my website with a form that has 2 input fields to be sent to a new form for a calculation to be done.
The result should be displayed in the new form on the same module position on the same page the old one was displayed.
How can I achieve this?
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Thank you for your effort

Try setting the form to AJAX submit.

. . . and you could use a multi-page form.
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Bob

Thank you.
Ajax submit works fine, but how does it load ONLY the new form in the module? Not the whole page
Currently I redirect (setup->submit->redirect) to another page (with transfer of the field parameters), which is then displayed in the module.
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{redirect:http://......../index.php?option=com_chronoforms6&chronoform=Alter-Berechnung&alter=(data:alterBenutzerEingabe)&punkteanzahl=(data:punkteBenutzerEingabe)}

Other idea
Can I do it with a custom code in my old form with {chronoform:Alter-Berechnung}?
How is the syntax if I want to pass both variables to my new form?
{chronoform:Alter-Berechnung} and then something like this &alter=(data:alterBenutzerEingabe)&punkteanzahl=(data:punkteBenutzerEingabe)???

I want to show the whole form but not the whole site in the module.
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I have two forms ("Alter-Eingabe" (age-input) and "Alter-Berechnung" (age-calc)). "Age-input" form with 2 input fields which sends this currently with a url-redirect to the other form on another page.
There, the calculation takes place and the result is displayed.
With ajax submit the whole new site with "Age-calc" form is shown in the module, but i want to show only the "Age-calc" form in the module position

Do what I said, made a mistake saying form when I meant site.

Yeeeeeees it works. Many thanks