How to add list values?

[ramabalan.v]

Hi All,

I am new to Dynamo. Could anyone please tell me how to add the values in list?
In my case, there are four list values in the attached image such as 60136, 70880… I want to add all these four values.

[Nico_Stegeman]

[Nico_Stegeman]

Or use list levels @L1 on the Solid.Volume node

[Nico_Stegeman]

[ramabalan.v]

Okay Thanks