CREATE TABLE table_79440 ("Class" TEXT, "Railway number ( s ) " TEXT, "Quantity rebuilt" FLOAT, "Rebuildjahr ( e ) " TEXT, "Type" TEXT)

What is the total of quantity rebuilt if the type is 1B N2T and the railway number is 88, 118?
SELECT COUNT("Quantity rebuilt") FROM table_79440 WHERE "Type" = '1b n2t' AND "Railway number(s)" = '88, 118'
SELECT COUNT("Quantity rebuilt") FROM "table_79440" WHERE "Railway number(s)" = '88, 118' AND "Type" = '1b n2t'