CREATE TABLE table_60438 ("Symbol" TEXT, "Prefix" TEXT, "SI Meaning" TEXT, "Binary meaning" TEXT, "Size difference" TEXT)

What is the size difference for the binary meaning of 2 70 = 1024 7?
SELECT "Size difference" FROM table_60438 WHERE "Binary meaning" = '2 70 = 1024 7'
SELECT "Size difference" FROM "table_60438" WHERE "Binary meaning" = '2 70 = 1024 7'