Gnocchi Convert Temperature F to C

When using Gnocchi, if you have data thats stored in antiquated Farenheit format and need to convert into something modern day humans can use you can use Gnocchi's built in ability to perform 'operations'

Assuming the formula to convert is TempC=(TempF-32)/1.8 then the following operations works in gnocchi\grafana
1(/ (- (aggregate mean (metric weather_tempinf mean)) 32) 1.8)