<Tr> <Td> Solothurn </Td> <Td> Switzerland </Td> <Td> Stein </Td> <Td> 5.184 </Td> <Td> 10 </Td> <Td> </Td> </Tr> <Tr> <Td> Stockholm </Td> <Td> Sweden </Td> <Td> Sten </Td> <Td> 13.60 </Td> <Td> 32 </Td> <Td> (32 Skålpund) </Td> </Tr> <Tr> <Td> Warsaw </Td> <Td> Poland </Td> <Td> Kamień </Td> <Td> 10.14 </Td> <Td> 25 </Td> <Td> 25 Funtów </Td> </Tr> <Tr> <Td> Vilnius </Td> <Td> Lithuania </Td> <Td> Kamieni </Td> <Td> 14.992 </Td> <Td> 40 </Td> <Td> 40 Funtów </Td> </Tr>

What is 7 stone 12 pounds in kilograms