Expression with pie are not evaluating correctly

[dinesh1136]

Description

Operations- Multiplication,addition,division with Pie in expression not evaluating correctly.
unexpected behaviour of Pie as can be seen in GIF.

**Expexted result
pie*5 = 15.7

Steps to reproduce

1. Run visma gui

2. write expression using Pie.

3. Click on visma.

4. Choose options -simplify

Gif attached

I would like to work on this