Calculating the volume of a cylinder in Grasshopper

Hi, I’m a total newbie to Grasshopper and forums - I created an algorithm to workout a volume of a cylinder in cubic metres the output is a puzzling 3.1043e+8 - I’m sure this is most likely the easiest thing to do…but I’m stumped…I’ve attached the .gh file…
volume.gh (7.0 KB)

This is scientific notation, you can turn it off via adjusting the E-Lower and E-Upper values under File > Preferences > Display

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Thank you :pray: