One rabbit saw 6 elephants while going towards river.
every elephant saw 2 monkeys are going towards river.
every monkey holds one parrot in their hands.
now tell me how many animals are going towards river.

mark twain, real name samuel langhorne clemens, was an american writer, humorist, entrepreneur, publisher, and lecturer. among his novels are the adventures of tom sawyer and its sequel, the adventures of huckleberry finn, the latter often called "the great american novel". wikipedia