Form Calculation

[X_TheWizard_X]

I have a form on my website that e-mails me when submitted.

I would also like it to e-mail me with some calculation already done....

ex:
<input type="text" name="first_number" size="15" maxlength="30" tabindex="1">
<input type="text" name="Next_number" size="15" maxlength="30" tabindex="2">
<input type="hidden" name="Answer" value="first_number + Next_number">

is this possible, (and if so how)?

---X_TheWizard_X

[Charles]

<form action="" onsubmit="this.Answer.value = Number(this.First_number.value) + Number (this.Next_number.value)">
<div><input type="text" name="First_number" size="15" maxlength="30" tabindex="1">
<input type="text" name="Next_number" size="15" maxlength="30" tabindex="2">
<input type="hidden" name="Answer">
<input type="submit"></div>
</form>

[X_TheWizard_X]

Thanks, this is what I was looking for.