The "kilo" prefix is a lowercase k. If you fix that, it works perfectly: "3.3 kW * 3.1 miles per kWh" Gives "10.23 kW mi / kWh" as you expected I guess ideall

The "kilo" prefix is a lowercase k. If you fix that, it works perfectly: "3.3 kW * 3.1 miles per kWh" Gives "10.23 kW mi / kWh" as you expected I guess ideally you would want it to factor out the kW.