Can Bonitasoft support the following feature for calculation?

Dear Sir/Mdm,

I am creating an invoice approval system using Bonitasoft. I am stuck at a particular step whereby i need to create a form such that it can perform some addition on a column whenever user key in numbers in various columns. Attached is a simple illustration of what i mean.

![Excel][Excel]
[Excel]: http://nicoleanddebbie.com/classes/srjc/cs_5/graphics/Excel10.jpg

Regards,
Terry

Hello, is this the same question than here: http://community.bonitasoft.com/answers/adding-numbers-grid and here: http://community.bonitasoft.com/answers/can-bonitasoft-support-calculation-feature-invoice-system ??