Standard_DT8as_v7 is an Azure VM size with 8 vCPUs. In East US it costs $0.345 per hour on demand ($251.85 per month) for Linux. Spot capacity is about $0.069 per hour. It is sold in 7 regions.
Prices by region
USD per hour, Linux. Reserved prices are no upfront, standard. Cheapest on-demand first.