"Yes, it is difficult," he said, "to calculate exactly; perhaps even impossible, since during these three stormy days I have been unable to keep any account of the rate or direction of the raft; but still we may get an approximation."
—Con toda exactitud, no, no es fácil —respondió—; resulta hasta materialmente imposible, porque durante los tres días que había durado la tempestad, no he podido tomar nota de la velocidad ni del rumbo de la balsa; pero, no obstante, podemos calcular nuestra situación de un modo aproximado.