A modern dryer uses less than 2 kWh for an 8kg run [0]. That means for those 38 kWh you need to run it daily for almost 3 weeks. Normal usage (let's say twice per week) would lead to ~3 kWh energy consumption.

[0] Siemens WT47R400: 176 kWh / year for 160 cycles by energy label, 1.4 kWh for a full run.