London to Suez = a; Suez to Bombay = b; Bombay to Calcutta = c; Calcutta to Hong Kong = d; Hong Kong to Yokohoma = e; Yokohama to San Francisco = f; San Francisco to New York City = g; New York to London = h. In terms of 19th century adventure time, a + b + c + d + e + f + g + h = ?
eighty  time 80 time 80 days
80 time eighty time 80 days
80 days
Numerical
80 days