Standard_DT8s_v7 is an Azure VM size with 8 vCPUs. In East US it costs $0.503 per hour on demand ($367.19 per month) for Linux. Spot capacity is about $0.1006 per hour. It is sold in 7 regions; the cheapest is Central US at $0.483 per hour.
Prices by region
USD per hour, Linux. Reserved prices are no upfront, standard. Cheapest on-demand first.