Formula - Sum and multiplying - Dynamic array spilled behavior

Hi all. I have a question about dynamic array. A workbook is attached. The product, volume, and price in "Calculation" are dynamic array linked to "Drivers". When a new row (new product) is added between product b and c in "Drivers", the formula (multiplying, sum) in "Calculation" are messed up. What is the proper way to set up the formula so they could move with the dynamic array? The desired output should look like the attached image. I hope my question is clear. Thank you for looking into this.