How many dollars is the revenue when the net profit is 55.4 million dollars?
CREATE TABLE "micro_focus_international_plc_financial_" (
  "year_to_april" real,
  "revenue_us_million" text,
  "ebit_us_m" text,
  "net_profit_us_m" text,
  "earnings_per_share" text
);
SELECT "revenue_us_million" FROM "micro_focus_international_plc_financial_" WHERE "net_profit_us_m"='55.4';