# [Jelly] / [Python 3] + [jelly], 81 bytes = 40.5

    import jelly
    a=jelly.sys.argv
    jelly.main(a[1],[*map(jelly.try_eval,a[2:])],'')
    ŒV

[Try it online!][TIO-kpnzs2yk] (Jelly)

[Try it online!][TIO-kpnzschh] (Python)

[Jelly]: https://github.com/DennisMitchell/jelly
[Python 3]: https://docs.python.org/3/

[TIO-kpnzs2yk]: https://tio.run/##y0rNyan8/z8ztyC/qEQhC8TjSrQF03rFlcV6iUXpZVwQbm5iZp5GYrRhrE60Vm5igQZEtKSoMj61LDFHJzHayCpWM1ZHXV2T6@iksP///xcUZeaVaKh7ANXl6yiE5xflpCgCJRMVbBVMuSCSiRCuGZwLAA "Jelly – Try It Online"

[TIO-kpnzschh]: https://tio.run/##K6gsycjPM/7/PzO3IL@oRCErNSenkivRFkzrFVcW6yUWpZdxQbi5iZl5GonRhrE60Vq5iQUaENGSosr41LLEHJ3EaCOrWM1YHXV1Ta6jk8L@//@vrf8/2lDHSMc4FgA "Python 3 – Try It Online"

Both error after executing the other language