Table:
text: Royal Mail Steam Packet Company
List of RMSP Company vessels
List of RMSP Company vessels
Ship Date_Commissioned Gross_Tonnage Propulsion Material
Actaeon 1842 650 Paddle Wood
Avon 1842 2069 Paddle Wood
City of Glasgow 1842 1700 Paddle Wood
Clyde 1842 1841 Paddle Wood
Dee 1842 1849 Paddle Wood
Forth 1842 1900 Paddle Wood
Isis 1842 1900 Paddle Wood
Larne 1842 300 Schooner Wood
Lee 1842 250 Schooner Wood
Liffey 1842 350 Schooner Wood
Medina 1842 1800 Paddle Wood
Medway 1842 1895 Paddle Wood
Severn 1842 1886 Paddle Wood
Solway 1842 1700 Paddle Wood
Tay 1842 1858 Paddle Wood
Teviot 1842 1744 Paddle Wood
Thames 1842 1889 Paddle Wood
Trent 1842 1856 Paddle Wood
Tweed 1842 1800 Paddle Wood

text: Royal Mail Steam Packet Company
List of RMSP Company vessels
List of RMSP Company vessels
Ship Date_Commissioned Gross_Tonnage Propulsion Material
Reindeer 1845 600 Paddle Wood
Conway 1846 895 Paddle Wood
Eagle 1846 630 Paddle Wood
Great Western 1847 1775 Paddle Wood
Derwent 1849 794 Paddle Wood
Esk 1849 232 Screw Wood
Amazon 1851 2256 Paddle Wood
Demerara 1851 2318 Paddle Wood
Oronico 1851 2901 Paddle Wood
Prince 1851 446 Paddle Iron
La Plata 1852 2826 Paddle Wood
Magdalena 1852 2943 Paddle Wood
Parana 1852 3070 Paddle Wood
Camilla 1853 539 Paddle Wood
Atrato 1853 3184 Paddle Iron
RMSRhone 1865 2738 Screw Iron

Question: According to the Royal Mail Steam Packet Company, report the sum of the gross tonnage for timber on date greater than 1846 for commissioned and esk ships. ?