Need help to modify this MT5 indicator a little bit

Hi coders ,can you please help me modify this code . The pip show indicator . It shows pips of open positions but it shows sum of them . I need tot to show average amount of them .

Currently if there is 2 positions open one at 10 pips and other one at 9 pips it shows 19 pips. I want it to show average of them which is 9.5 pips.

Any help appreciated