Please how can i calculate total value for two preceeding values

please how can i calculate total value for two preceeding values
how muct you earn for work monthly......
how much you earn for gift_remittances monthly.....
total amount.....(please help me with the calculation on XLSform

Welcome to the forum @profboahen and thanks for adding your profile picture. It helps build community! We're glad you're here. When you get a chance, please introduce yourself on this forum thread.

Please see the XLSForm documentation on calculation.
Here is an example: calculate_total.xlsx (8.9 KB)