CREATE TABLE table_54107 ("End of Fiscal Year" FLOAT, "Gross Debt in $Billions undeflated Treas." FLOAT, "as % of GDP Low-High" TEXT, "Debt Held By Public  ( $Billions ) " FLOAT, "as % of GDP  ( Treas/MW ,  OMB or OMB/MW ) " FLOAT, "GDP $Billions OMB/BEA est.=MW.com" TEXT)

For End of Fiscal Year(s) with a Debt Held By Public ($Billions) larger than 236.8, and as % of GDP Low-High of 33.4 what is the sum of the number of Gross Debt in $Billions undeflated Treas.?
SELECT COUNT("Gross Debt in $Billions undeflated Treas.") FROM table_54107 WHERE "Debt Held By Public ($Billions)" > '236.8' AND "as % of GDP Low-High" = '33.4'
SELECT COUNT("Gross Debt in $Billions undeflated Treas.") FROM "table_54107" WHERE "Debt Held By Public ($Billions)" > '236.8' AND "as % of GDP Low-High" = '33.4'